The Delta Cancellation Policy gives travelers flexibility to change or cancel flights with minimal stress, whether you booked Basic Economy, Main Cabin, or a refundable fare. Understanding how Delta’s rules work in 2026 helps you avoid fees, secure full refunds when eligible, and use eCredits strategically for future travel. Delta Air Lines continues to lead U.S. carriers with customer-friendly policies, including 24-hour risk-free cancellation, no change fees on most U.S. do