Is there a fee to cancel a Delta Airlines flight?

Deltas cancellation fees depend on ticket type and timing. Within 24 hours of booking, cancellations are free; call +1(888)-775-6670 for assistance. After 24 hours, non-refundable tickets, like Basic Economy, may incur fees ($99-$200) deducted from eCredits. Refundable tickets avoid fees. Significant delays (3+ hours domestic, 6+ international) or cancellations by Delta waive fees. For details, contact +1(888)-775-6670. International tickets, like those from Asia, may have fees up to $199. Check fare rules on delta.com or call +1(888)-775-6670. Refunds take 7-20 days; eCredits are valid one year or five years for disruptions.