Originally Posted by
findark
Are non-refundable tickets no longer forfeit upon no-show?
Don't know if it is currently enforced, but the language still says they must be cancelled before departure to retain value.
https://www.delta.com/us/en/change-cancel/cancel-flight
Refundable fares used to require cancellation before departure in many cases to refund. But I do not believe this is not currently true for ex-US fares. (Fares from other countries may require cancellation before departure for refund according to fare rules).