Delta Airlines Cancellation Policy
Non-refundable tickets are basically less expensive in comparison to other refundable tickets. This ticket is not eligible for a full refund after the cancellation. If you make any changes to your Delta reservation after booking, airlines will deduct additional fees in accordance with your reservation amendments.
However, if you cancel this ticket, Delta Airlines will charge you a cancellation fee. They will credit the remaining amount to your account after deducting the cancellation fee.
https://flightcancellationpoli....cy.com/delta-airline