Applies for Travel within the 50 U.S. and for Travel between the 50 U.S. and Canada*

Contract of Carriage: United States Rule 21B Rerouting and Contract of Carriage: Canada Rule 255 Rerouting Section II

Unless otherwise specified in a fare rule, the following procedures will apply to DL ticket reissues. 

For nonrefundable fares:  

- If the price of the new ticket is lower than the ticket being reissued, the difference in ticket price will be provided to the passenger in the form of a non-refundable Delta travel voucher at the time of reissue. 
- If the price of the new ticket is equal to or higher than the ticket being reissued any difference in fare will be collected at the time of reissue.  

For refundable fares: 
 - If the price of the new ticket is lower than the ticket being reissued, any difference In fare will be refunded to the original form of payment at the time of reissue.
 - If the price of the new ticket is higher than the ticket being reissued, the difference in fare will be collected at the time of reissue.

-Flights must be rebooked and the ticket reissued at the time of the change.      

1. Unused tickets 

When making changes to an unused ticket, Delta will cancel the itinerary and start over, issuing a new ticket using current fares subject to all applicable fare rules.  The value of the original ticket may be applied toward the purchase of the new ticket.  If the unused fare is refundable, the value of the original ticket may be applied toward the purchase of the new ticket.

2. Partially Used Tickets

a. When making changes to partially used tickets, Delta will apply one of the following procedures resulting in the lowest fare:
i.   Reprice the itinerary, attempting to keep fares of the fully flown fare components and replacing the unflown fare components using current fares.  No changes are permitted to the fare break points of the fully flown fare components.  Delta will validate all fare rules at the time of reissue. The new ticket may be a lower or equal or higher price than the previous ticket.            

-OR- 

 ii.  Issue a new ticket using current fares and validating all fare rules at the time of reissue.  If the original fare is nonrefundable, the Carrier will apply the remaining value for the unflown Segments of the partially used ticket, if any toward the purchase of a new ticket.  For refundable fares, Delta will apply the remaining value from the partially used ticket, if any, toward the purchase of a new ticket.

*Please Note:  This information is a copy of Reroute Rule 21B of Delta's Contract of Carriage: United States and Rule 255 Sections II and III of Delta’s Contracts of Carriage: Canada. To the extent there are discrepancies between the language above and the language of the United States and Canadian Contracts of Carriage filed, the language of the Contracts of Carriage filed shall prevail.

View the complete Contract of Carriage: United States

View the complete Contract of Carriage: Canada

View the complete Contract of Carriage: International