How to cancel a Delta Airlines ticket?

To cancel a Delta Airlines ticket, call +1(888)-775-6670 or use delta.coms My Trips. Provide your ticket number to the representative or online system. Within 24 hours, cancellations are fee-free with full refunds. Non-refundable tickets, like Basic Economy, may incur fees ($99-$200), yielding eCredits; refundable tickets refund fully. Delta-caused disruptions may waive fees. For assistance, call +1(888)-775-6670. Basic Economy is non-refundable post-24 hours. Contact +1(888)-775-6670 for support with complex cases. Refunds process in 7-20 days to the original payment method; eCredits are valid one year or five years for disruptions. Cancel before departure to avoid losing value.