Delta Airlines cancellation policy includes a 24-hour risk-free cancellation period for all ticket types booked at least seven days before departure. Non-refundable tickets canceled within 24 hours qualify for a credit, minus change fees, usable within a year. Refundable tickets allow full refunds, even after 24 hours. Basic Economy ticket rules vary. Award ticket policies differ based on loyalty programs. Flight changes may incur fees and fare differences. In case of irregular operations, accommodations, rebooking, or refunds may be provided. Always consult Delta's official website or customer service for the latest Delta Airlines Cancellation policy details as they are subject to change.