Complimentary Medallion Upgrades

Availability:
Medallion Complimentary Upgrades are subject to availability and may not be available on all flights or in all markets.  

Basic Economy (E) fares are not eligible for paid or Medallion Complimentary Upgrades, regardless of Medallion or other elite status.

Complimentary Upgrades are not available for selection by any passenger while onboard the aircraft regardless of Status or fare class.

For Companion Upgrades, both passengers must be ticketed, and upgrades must be requested at least three hours before the scheduled departure of the flight. Except as stated in this section, the rules governing complimentary Medallion Member upgrades also apply to companion upgrades. Upgrades are available for primary ticket holders and their travel companion on paid tickets, Award Tickets, Miles + Cash tickets, Pay with Miles tickets and SkyMiles Companion Certificates.

Ticket Changes:
Changes in reservations on ticketed itineraries are permitted only pursuant to the rules of the original Main Cabin fare purchased. Where permitted, changes may require payment of a change fee and/or any difference in the applicable fare.

Companions who change their itinerary and are no longer traveling with the higher-tiered Medallion Member after the change are not eligible for a Complimentary Upgrade at the higher-tiered Member’s clearance window. If an upgrade was confirmed prior to the itinerary change, a General Member companion’s reservation will be changed to reflect the original class of service for the new itinerary and they will no longer be eligible for a Complimentary Upgrade. If the companion is a Medallion Member, their reservation will be changed to reflect the original class of service, and they will continue to be eligible for an upgrade at their own clearance priority. If the Medallion or partner airline elite member is no longer traveling on their original reservation, the companion traveling on the original reservation will no longer be eligible for complimentary Delta Comfort+ seating, and their Delta Comfort+ seat assignment may be removed.  

Mileage Accrual:
Except for eligible Pay with Miles tickets and eligible Award Travel tickets, Complimentary Upgrades are not eligible on fares that do not earn miles. Upgrades do not affect mileage accrual. Mileage earned is based on the original fare purchased.

Fees:
Tickets purchased from Delta over the telephone or at an airport or city ticket office will incur a direct ticketing charge when issued in select European countries. Charges are waived for all other points of origin and may be waived for select European countries upon request. Travel agents may impose an additional service charge for ticketing.

Diversen:
Flight cancellation, substitution of equipment, or other irregular operations may result in the cancellation of confirmed upgrades. Delta's liability, if any, in the event of irregular operations is governed by the terms of its Contract of Carriage and shall be based upon the original fare purchased.

Keep in mind:

• You can manually request an upgrade while booking a flight on the Passenger Information screen.
• Once you’ve booked a flight, you can go back and request an upgrade by locating your flight in My Trips.
• Medallion Members traveling alone who are not opted in to receive automatic Delta Comfort+ upgrades also have the ability to request a Delta Comfort+ upgrade to any available seat or only a window/aisle seat when checking in for a flight. Once you have selected your seat preference at check-in, your upgrade request will be added to the Airport Standby list. Upgrades will clear based on availability and clearance priority.
• Medallion Members who choose to opt-in to Complimentary Upgrades prior to check-in will still receive top priority within their eligibility window.
• If you have requested an upgrade for multiple cabins, you will be upgraded to the most premium option available.
• If you’re upgraded to Delta Comfort+, you’ll still be on standby for upgrades to the most premium cabin eligible for Complimentary Upgrades on your flight.
• If no upgrades to Delta Comfort+ are available, you’ll be placed on standby for an upgrade. You may view your spot on the standby list in My Trips or in the Fly Delta App upon check-in.
• For flights out of Paris (CDG) and Amsterdam (AMS), Medallion Members will not be able to select an upgrade or change seats within the seat map beginning 48 hours prior to departure.

¹When using the seat map, Medallion Members may see upgrades available for purchase within their eligibility window and can choose to purchase the upgrade or wait for their Complimentary Upgrade to clear, if these seats go unsold.

¹The MQDs requirement to reach Diamond Medallion Status for 2019 and beyond during the qualification year will be waived if you make $250.000 or more in Eligible Purchases during the calendar year with your Eligible SkyMiles Credit Card. The MQDs requirement to reach Platinum, Gold or Silver Medallion Status during the qualification year will be waived if you make $25.000 or more in Eligible Purchases in that year with your Eligible SkyMiles Credit Card. Upgrade clearance priority for all Medallion Tiers will continue to be based on spending at least $25,000 in the current calendar year on all Delta SkyMiles Credit Cards from American Express that count toward the MQD Waiver regardless of the increase in the Diamond MQD Waiver requirement. Delta SkyMiles Credit Cards from American Express that count toward the MQD Waiver include: Delta SkyMiles Credit Card, Gold Delta SkyMiles Credit Card, Platinum Delta SkyMiles Credit Card, Delta Reserve Credit Card, Delta SkyMiles Business Credit Card, Gold Delta SkyMiles Business Credit Card, Platinum Delta SkyMiles Business Credit Card, Delta Reserve for Business Credit Card from American Express, and Blue Delta SkyMiles Credit Card. The Blue Delta SkyMiles Credit Card is not eligible for the MQD Waiver. However, if you have another Delta SkyMiles Credit Card with the MQD Waiver benefit in addition to your Delta Blue SkyMiles Credit Card, Eligible Purchases made on the Blue Delta SkyMiles Credit Card will continue to count towards the MQD Waiver.

² All Pay with Miles terms and conditions apply. To review the rules, visit Pay with Miles.

³ Upgrade Priority within the same Medallion Tier and fare class grouping is applicable only to Basic Card Members.

⁴ To be eligible for the Corporate Upgrade benefit, Corporate Travelers must be SkyMiles Medallion Members and traveling on a ticket that includes their employer’s eligible Corporate Ticket Designator. When certain conditions are met, customers traveling on Corporate Ticket Designators will receive priority over similarly situated customers not traveling on Corporate Ticket Designators when standing by for a Medallion Complimentary Upgrade.

Seats are subject to availability and may not be available on all flights or in all markets. May be redeemed for the named Certificate Owner and/or up to one travel companion who is a SkyMiles Member traveling on the same flight. The named Certificate owner and the companion will each require a separate certificate to upgrade but are not required to both be upgraded at the same time. When upgrading on Companion Certificates, two Upgrade Certificates will be required to upgrade as the primary ticket holder and the companion must always travel in the same cabin. The Certificate owner must contact Delta to use an Upgrade Certificate.

Global Upgrade Certificates

Redemption on Delta:

• Valid for a one way upgrade on Delta and certain Delta Connection^® carrier operated flights.
• Valid for use systemwide on published fares booked in P, A, G, W, S, Y, B, M, H, Q, K, L, U, T, X or V class, and also on Pay with Miles tickets and Companion Certificates.
• Not valid on Award Tickets or tickets booked in Basic Economy (E).
• Certificates are flexible — they can be used to upgrade directly from Main Cabin to either Delta Comfort+, First Class, Delta Premium Select or Delta One. Or they can be used to upgrade from Delta Comfort+ to either First Class, Delta Premium Select or Delta One. Or they can be used to upgrade from Delta Premium Select to Delta One.
• Waitlist for the upgrade is permitted and must be requested in advance. If a Certificate does not clear the waitlist prior to departure, the Certificate owner and/or companion will be automatically added to the airport standby list at time of check-in and will be cleared at the gate if space is available.
• Waitlist or upgrade requests should be made prior to check in and at least three hours prior to departure by contacting Delta Reservations. 24 hours prior to departure is recommended.
• Once an upgrade clears, the certificate is considered used and a different certificate would be required to upgrade again, even to move to a different cabin on the same flight.

Redemption on partners: waitlist and standby not permitted.

Redemption on KLM – ROYAL DUTCH AIRLINES

• Valid on Delta-marketed, KLM-operated flights for use globally on published Main Cabin fares booked in Y, B, M, H, Q, K, L, U, T, X or V class to Business Class.
• Valid on all KLM-marketed, KLM-operated flights from published Main Cabin fares in Y, B, or M class to Business Class.
• Global Upgrades on KLM flights must be confirmed 24 hours prior to departure.
• For flights departing Amsterdam, Global Upgrade Certificates may be applied prior to check-in either with a KLM ticketing agent or at a KLM Crown Lounge.
• Global Upgrade Certificates may not be used to waitlist for a KLM-operated flight.

Redemption on AIR FRANCE

• Valid on most transatlantic flights operated by Air France.¹
• One-way upgrade from Main Cabin when booked in Y, B, or M class to Premium Voyageur Class.
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• One-way upgrade from Premium Voyageur when booked in S or W class to Business Class.

¹ Not valid on AF operated 747 aircraft flights; only valid on flights with the Premium Economy Cabin.

Redemption on VIRGIN ATLANTIC

• Valid on Delta-marketed, Virgin Atlantic-operated flights for use globally on published Economy Cabin fares booked in W, S, Y, B, M, S, H, Q, K, L, U, T, X or V class to Upper Class.
• Global Upgrades on Virgin Atlantic flights must be confirmed 24 hours prior to departure.
• Global Upgrade Certificates may not be used to waitlist for a Virgin Atlantic-operated flight.

Redemption on AEROMEXICO

• Valid on Delta-marketed, Aeromexico-operated flights for use globally on Delta’s published fares booked in W, S, Y, B, M, H, Q, K, L, U, T, X or V class to Aeromexico’s O class.

Redemption on KOREAN AIR

• Valid for travel on or after mei 1, 2018
• Valid on Delta-marketed, Korean Air-operated flights for use globally on Delta's published fares booked in Y, B or M class to Korean Air's Prestige Business Class.
• Global Upgrades on Korean Air flights must be confirmed 24 hours prior to departure.
• Global Upgrade Certificates may not be used to waitlist for a Korean Air-operated flight

Regional Upgrade Certificates

Redemption on Delta:

• Valid for a one way upgrade on Delta and certain Delta Connection® carrier operated flights.
• Regional Upgrades cannot be used to upgrade into Delta Premium Select.
• Regional Upgrade Certificates are valid on any flight that is eligible for Medallion Complimentary Upgrades, including all flights with First Class and the domestic Delta One experience.
• Valid for use on published Main Cabin fares booked in W, S, Y, B, M, H, Q, K, L, U, T, X or V class, and also on Pay with Miles tickets and Companion Certificates. 
• Not valid on Award Tickets or tickets booked in Basic Economy (E). 
• Waitlist for the upgrade is permitted and must be requested in advance. If a Certificate does not clear the waitlist prior to departure, the Certificate owner and/or companion will be automatically added to the airport standby list at time of check-in and will be cleared at the gate if space is available. 
• Waitlist or upgrade requests should be made prior to check in and at least three hours prior to departure by contacting Delta Reservations. 24 hours prior to departure is recommended.
• Once an upgrade clears, the Certificate is considered used and a different Certificate would be required to upgrade again, even to move to a different cabin on the same flight.

Redemption on partners: Regional upgrades may be used on Aeromexico, but may not be used on other partner airlines.

1. Upgrade Offer: This certificate is valid for qualifying one-way travel on flights operated by Delta Air Lines or select partners, for the named SkyMiles Certificate owner and/or a companion who is SkyMiles Member traveling on the same flight pursuant to the terms and conditions of this offer. Eligible connections do not exceed 4 hours for domestic routes or 24 hours for international, between the origin and destination of a ticket fare(s). This upgrade offer may also be available on certain Delta Connection carrier flights and for flights with Air France, KLM, Virgin Atlantic, Korean Air and Aeromexico as set forth in "Applicable Routes" below. Only one companion per Certificate owner may be upgraded on each flight segment. Any stopovers are governed by the fare rules. All rules of the fare purchased will apply except as changed by this offer. SkyMiles mileage credit based upon purchased fare class. Space is limited and subject to availability. Seats may not be available on all flights or in all markets.
2. Expiration Date: Certificate expires twelve months from date of issue - no exceptions. If the expiration date falls during ticketed travel, only flights flown during the valid period are eligible for upgrade. Certificate may not be extended, reissued or returned for credit under any circumstances.
3. Refunds & Cash Value: This certificate is non-refundable and has no cash value. Certificate will be deemed fully used upon surrender and will not be honored retroactively or in connection with the exchange of any wholly or partially unused ticket. Ticket refunds are permitted only pursuant to the rules of the fare purchased. Any full or partial refund of the underlying Main Cabin-fare ticket after upgrade will render this certificate void.
4. Not Combinable: This certificate may not be combined with SkyMiles Program awards. Valid only with a published qualifying fare, including corporate fares with a ticket designator beginning with the letter `X`, `C` or `A`. The certificate is not combinable with any other ticket designator programs or special status fares such as: Government, military, no-value, VUSA, round-the-world, agency/industry discount, group, senior, student, infant, child, SkyMiles award tickets, Miles + Cash, Pay with Miles, coupon, certificate or any other fares/tickets which may later be specified by DL with or without notice.
5. Valid Carrier: Valid only on Delta Air Lines, Air France, KLM Royal Dutch Airlines, Virgin Atlantic, Korean Air, Aeromexico and certain Delta Connection carrier operated flights. If a non-permitted carrier accepts this certificate, such carrier agrees to pay Delta, within 45 days of certificate acceptance, the sum of $1000USD per certificate accepted, and Delta shall not be liable to such carrier for any reason whatsoever.
6. Applicable Routes: Valid only for travel on routings with an upgradeable Main Cabin, Comfort+ or Premium Voyageur fare. Valid for use on one-way travel on published fares and routings systemwide for flights operated by Delta Air Lines or Delta Connection carriers. For travel on KLM and Virgin Atlantic: valid for use on one-way travel systemwide. For travel on Air France: valid for one-way one cabin upgrade travel between US and Paris (CDG) operated by Air France flights equipped with Premium Voyageur cabin. Air France flights operated by 747 equipment are not eligible. For Aeromexico: valid for use on Delta-marketed, Aeromexico-operated flights. For travel on Korean Air: valid for use on one-way travel systemwide.
7. Applicable Fare Classes: Certificate may be used to upgrade on Delta Air Lines or certain Delta Connection operated flights on published retail fares booked in P, A, G, W, S, Y, B, M, H, Q, K, L, U, T, X or V class and upgrade into RY/OY class, and may also be used to upgrade on Pay with Miles tickets and Companion Certificates. Certificate may not be used to upgrade other published fares including those booked in E class, or Award Tickets. For travel on KLM-operated, Delta-marketed flights this certificate may be used to upgrade on published fares booked in Y, B, M, H, Q, K, L, U, T, X or V class and all fare classes upgrade into Z class. For travel on KLM-operated flights marketed by either Delta or Air France,  this certificate may be used to upgrade on published fares booked in Y, B, or M class. Fares booked in B or M are eligible to upgrade into O class, while fares booked in Y are eligible to upgrade into Z class. For Air France-operated flights marketed by either Delta, KLM, or Air France, Y, B, or M fare can upgrade into A class (Premium Voyageur class). In addition, customers booked in an Air France-marketed and operated W or S class as well as customers booked in an Air France-operated, Delta-marketed P, A, or G class can upgrade to O class (Affaires or Business Class). For travel on Aeromexico operated, Delta marketed flights this certificate may be used to upgrade on Delta`s published fares booked in W, S, Y, B, M, H, Q, K, L, U, T, X or V class and all fare classes upgrade into Aeromexico`s O class. Valid on Delta-marketed, Virgin Atlantic-operated flights for use globally on published Economy Cabin fares booked in W, S, Y, B, M, H, Q, K, L, U, T, X or V class to Upper Class. Valid on Delta-marketed, Korean Air-operated flights for use globally on Delta's published fares booked in Y or B class to Korean Air's Z class, or booked in M class to Korean Air's O class.
8. Upgrade Reservations and Ticketing: Upgradeable Main Cabin Class ticket must be purchased according to the applicable fare rules. After booking Main Cabin Class tickets eligible for upgrade, the SkyMiles Certificate owner whose name appears on the certificate must contact Delta to book the upgrade reservation for the Certificate owner and/or  a travel companion (if applicable). Delta representatives must book in ""SY/RY/OY"" class and travel agencies must book in "R/O" class; reservations must be booked in "Z" class on KL, and reservations on AF Premium Voyageur must be booked in "A" class and Affaires Class must be booked in "O" class. Seats are subject to limited availability and may not be available on all flights or in all markets. Once confirmed, boarding pass can only be issued by the operating carrier on day of departure. Tickets must be validated for travel on Delta. Travel on carriers other than Delta, when permitted, must be ticketed separately. Upgrade reservations on Air France or KLM operated, Korean Air operated and Aeromexico operated flights must be booked by Delta a minimum of one day before the departure. For Virgin Atlantic, Korean Air and Aeromexico, upgrades are only valid for Delta marketed flights.
9. Reservation Waitlist: If the upgrade is not available at the time of request, a Certificate owner and/or travel companion holding confirmed Main Cabin Class reservations on a flight may request to be placed on the upgrade waitlist. Passengers on waitlist will be accommodated according to Delta`s priority rules, which Delta reserves the right to change at any time. Waitlist is not available on Air France, KLM, Aeromexico, Korean Air or Virgin Atlantic operated flights.
10. Airport Standby: If an upgrade for the Certificate owner and/or companion (if applicable) is not confirmed from the reservation waitlist prior to departure, then the Certificate owner and/or companion will automatically be added to the Airport Standby List at the time of check-in, provided that check-in occurs no less than 60 minutes prior to flight departure, and will be cleared at the gate if space is available. Passengers on the Airport Standby List will be accommodated according to Delta's priority rules, which Delta reserves the right to change at any time.  Airport standby is not available on Air France, KLM, Virgin Atlantic, Korean Air or Aeromexico operated flights as well as Delta operated flights originating from AMS and CDG.
11. Flight Irregularities: In the event of flight cancellation or itinerary change, previously confirmed upgrades are subject to cancellation.
12. SkyMiles: Mileage accrued based on fare purchased.
13. Transferability:  Certificate may be used only to upgrade tickets for travel by the named Certificate owner and/or one companion traveling on the exact same flight together, and are in a linked reservation. Each person (max 2) redeeming the upgrade requires a separate certificate for a one-way upgrade. The companion is not required to be in the same reservation as the Certificate Owner provided that the Certificate owner and companion travel on the exact same flight together.  When upgrading on Companion Certificates, two Upgrade Certificates will be required to upgrade as the primary ticket holder and the companion must always travel in the same cabin. Certificate may not be transferred for cash or any other consideration.
14. Changes: Voluntary changes in reservations on ticketed itineraries are permitted only pursuant to the rules of the fare purchased, but upgrade is not guaranteed and will depend on availability and these terms and conditions. Where permitted, changes may require payment of a change fee and/or any difference in the applicable fare. All reissues must be completed by Delta Reservations. If you are re-accommodated on another carrier you will be seated in Main Cabin Class. Voluntary changes, refunds, or cancellations will not result in the loss of the Upgrade Certificate. If a voluntary change is made to an existing reservation where an Upgrade Certificate has been applied and the upgrade confirmed, Delta Reservations must assist in the reissuance of the Upgrade Certificate to the new flight, if desired. If an Upgrade Certificate is applied to a reservation that is later canceled by the Member, the Upgrade Certificate will be reopened in the Member's account no later than 2-3 weeks.
15. Travel Companion Changes: Companions no longer traveling with the Certificate owner after changing their itinerary are no longer eligible for upgrade pursuant to this certificate. The travel companion`s reservation will be changed to reflect original Main Cabin Class of service for the new itinerary.
16. Sale/Barter Prohibited: This certificate may not be sold or bartered. Delta reserves the right to terminate the SkyMiles account and/or deduct mileage from the account of any SkyMiles Member who sells or barters this certificate, or who sells or barters mileage credit, vouchers, Award certificates or Award Tickets. Improperly obtained certificates/tickets are void and will be confiscated. Persons trying to use such tickets must pay the applicable fare to Delta to travel. Purchased or auctioned certificates are subject to confiscation and travel will not be permitted.
17. Other Terms & Conditions Apply: This certificate and transportation pursuant to it are subject to all terms and conditions of Delta’s contract of carriage, fare rules, rules and regulations and the SkyMiles Membership Guide and Program Rules. Any tax liability or government-imposed fees are the responsibility of the user. For certain destinations, additional taxes may apply for travel in Business Class. Copies of Delta’s current contract of carriage and the SkyMiles Membership Guide and Program Rules are available at delta.com.
18. Rule Changes: Delta reserves the right to change its contract of carriage, fare rules, rules and regulations and the SkyMiles Membership Guide and Program Rules at any time and without notice. Without limitation, Delta reserves the right to modify or eliminate the Global Upgrade Certificate program or change the rules for certificate usage. This certificate is the property of Delta Air Lines and must be surrendered or returned upon request.
19. No Replacement: Lost, stolen or otherwise destroyed certificates are void and will not be replaced.

1. Upgrade Offer: This certificate is valid for qualifying one-way travel on flights operated by Delta Air Lines and certain Delta Connection® operated flights in markets where Medallion Complimentary Upgrades are available, including First Class and the domestic Delta One experience, for the named SkyMiles Certificate owner or a travel companion who is a SkyMiles Member pursuant to the terms and conditions of this offer. Eligible connections do not exceed 4 hours for domestic routes or 24 hours for international, between the origin and destination of a ticketed fare(s). Only one companion per Certificate owner may be upgraded on each flight segment. Any stopovers are governed by the fare rules. All rules of the fare purchased will apply except as changed by this offer. SkyMiles mileage credit based upon purchased fare class. Space is limited and subject to availability. Seats may not be available on all flights or in all markets. Markets eligible for Medallion Complimentary Upgrades are subject to change without notice. See delta.com/Medallionterms for the most up-to-date list of markets where Medallion Complimentary Upgrades are available.
2. Vervaldatum: Certificate expires twelve months from date of issue - no exceptions. If the expiration date falls during ticketed travel, only flights flown during the valid period are eligible for upgrade. Certificate may not be extended, reissued or returned for credit under any circumstances.
3. Refunds & Cash Value: This certificate is non-refundable and has no cash value. Certificate will be deemed fully used upon surrender and will not be honored retroactively or in connection with the exchange of any wholly or partially unused ticket. Ticket refunds are permitted only pursuant to the rules of the fare purchased. Any full or partial refund of the underlying Main Cabin-fare ticket after upgrade will render this certificate void.
4. Not Combinable: This certificate may not be combined with SkyMiles Program awards. Valid only with a published qualifying fare, including corporate fares beginning with the letter 'X', 'C' or 'A'. The certificate is not combinable with any other ticket designator programs or special status fares such as: Government, military, no-value, VUSA, round-the-world, agency/industry discount, group, senior, student, infant, child, SkyMiles award tickets, Miles + Cash, Pay with Miles, coupon, certificate or any other fares/tickets which may later be specified by DL with or without notice.
5. Valid Carrier: Valid only on Delta Air Lines and certain Delta Connection carrier operated flights. If a non-permitted carrier accepts this certificate, such carrier agrees to pay Delta, within 45 days of certificate acceptance, the sum of $1000USD per certificate accepted, and Delta shall not be liable to such carrier for any reason whatsoever.
6. Applicable Routes: Valid for use on one-way travel on published fares and routings where Medallion Complimentary Upgrades are available, including First Class and the domestic Delta One experience. Flights must be operated by Delta Air Lines, Delta Connection or Aeromexico carriers. Valid only for travel on routings with an upgradeable Main Cabin Class fare.
7. Applicable Fare Classes: Certificate may be used to upgrade on Delta Air Lines, Delta Connection or Aeromexico operated flights on published Main Cabin and Delta Comfort+ fares booked in W, S, Y, B, M, H, Q, K, L, U, T, X or V class (including corporate tickets) and upgrade into SY/RY/OY class, and may also be used to upgrade on Pay with Miles tickets and Companion Certificates. Certificate may not be used to upgrade other published fares booked in E class or Award Tickets. For travel on Aeromexico operated, Delta marketed flights this certificate may be used to upgrade on Delta's published fares booked in W, S, Y, B, M, H, Q, K, L, U, T, X or V class and all fare classes upgrade into Aeromexico's O class.
8. Upgrade Reservations and Ticketing: Upgradeable Main Cabin Class ticket must be purchased according to the applicable fare rules. After booking Main Cabin Class tickets eligible for upgrade, the SkyMiles Certificate owner whose name appears on the certificate must contact Delta to book the upgrade reservation for the Certificate owner and/or his or her travel companion (if applicable). Delta representatives must book in ""SY/RY/OY"" class and; travel agencies must book in "R/O" class. Aeromexico flights must be booked in Aeromexico's O class. Seats are subject to limited availability and may not be available on all flights or in all markets. Once confirmed, boarding pass can only be issued by the operating carrier on day of departure. Tickets must be validated for travel on Delta. Travel on carriers other than Delta, when permitted, must be ticketed separately.
9. Reservation Waitlist: If the upgrade is not available at the time of request, a Certificate owner and/or travel companion holding confirmed Main Cabin Class reservations on a flight may request to be placed on the upgrade waitlist. Passengers on waitlist will be accommodated according to Delta's priority rules, which Delta reserves the right to change at any time.
10. Airport Standby: If an upgrade for the Certificate owner and/or companion (if applicable) is not confirmed from the reservation waitlist prior to departure, then the Certificate owner and/or companion will automatically be added to the Airport Standby List at the time of check-in, provided that check-in occurs no less than 60 minutes prior to flight departure, and will be cleared at the gate if space is available. Passengers on the Airport Standby List will be accommodated according to Delta's priority rules, which Delta reserves the right to change at any time.
11. Flight Irregularities: In the event of flight cancellation or itinerary change, previously confirmed upgrades are subject to cancellation.
12. SkyMiles: Mileage accrued based on fare purchased.
13. Transferability: Certificate may be used only to upgrade tickets for travel by the named Certificate owner and/or one companion traveling on the exact same flight together. Each person (max 2) redeeming the upgrade requires a separate certificate for a one-way upgrade. The companion is not required to be in the same reservation as the Certificate Owner provided that the Certificate owner and companion travel on the exact same flight together and are in a linked reservation.  When upgrading on Companion Certificates, two Upgrade Certificates will be required to upgrade as the primary ticket holder and the companion must always travel in the same cabin. Certificate may not be transferred for cash or any other consideration.
14. Changes: Voluntary changes in reservations on ticketed itineraries are permitted only pursuant to the rules of the fare purchased, but upgrade is not guaranteed and will depend on availability and these terms and conditions. Where permitted, changes may require payment of a change fee and/or any difference in the applicable fare.  All reissues must be completed by Delta Reservations. If you are re-accommodated on another carrier you will be seated in Main Cabin Class. Voluntary changes, refunds, or cancellations will not result in the loss of the Upgrade Certificate. If a voluntary change is made to an existing reservation where an Upgrade Certificate has been applied and the upgrade confirmed, Delta Reservations must assist in the reissuance of the Upgrade Certificate to the new flight, if desired. If an Upgrade Certificate is applied to a reservation that is later canceled by the Member, the Upgrade Certificate will be reopened in the Member's account no later than 2-3 weeks.
15. Travel Companion Changes: Companions no longer traveling with the Certificate owner after changing their itinerary are no longer eligible for upgrade pursuant to this certificate. The travel companion's reservation will be changed to reflect original Main Cabin Class of service for the new itinerary.
16. Sale/Barter Prohibited: This certificate may not be sold or bartered. Delta reserves the right to terminate the SkyMiles account and/or deduct mileage from the account of any SkyMiles Member who sells or barters this certificate, or who sells or barters mileage credit, vouchers, Award certificates or Award Tickets. Improperly obtained certificates/tickets are void and will be confiscated. Persons trying to use such tickets must pay the applicable fare to Delta to travel. Purchased or auctioned certificates are subject to confiscation and travel will not be permitted.
17. Other Terms & Conditions Apply: This certificate and transportation pursuant to it are subject to all terms and conditions of Delta's contract of carriage, fare rules, rules and regulations and the SkyMiles Membership Guide and Program Rules. Any tax liability or government-imposed fees are the responsibility of the user. For certain destinations, additional taxes may apply for travel in Business Class. Copies of Delta's current contract of carriage and the SkyMiles Membership Guide and Program Rules are available at delta.com.
18. Rule Changes: Delta reserves the right to change its contract of carriage, fare rules, rules and regulations and the SkyMiles Membership Guide and Program Rules at any time and without notice. Without limitation, Delta reserves the right to modify or eliminate the Regional Upgrade Certificate program or change the rules for certificate usage. This certificate is the property of Delta Air Lines and must be surrendered or returned upon request.
19. No Replacement: Lost, stolen or otherwise destroyed certificates are void and will not be replaced.