Delta Air Lines has one of the most flexible cancellation policies in the industry for Award Travel, especially for flights originating from North America. In 2026, if you cancel a flight booked with SkyMiles, Delta will generally refund the full amount of miles back into your account, and the taxes and fees will be credited back to your original form of payment. Crucially, Delta eliminated "redeposit fees" for most tickets several years ago, meaning you don't have to pay a penalty to get your miles back, provided you cancel at least before the "departure" window (usually up to the time of check-in or shortly before). However, there is a major exception: Basic Economy Award tickets are often non-refundable and non-changeable after the initial 24-hour risk-free cancellation period. For Main Cabin and premium tickets, the process is seamless through the Fly Delta app or website. This policy makes SkyMiles an incredibly valuable "flexible" currency for travelers who want to lock in a trip but need the insurance of knowing they can reclaim their points if their plans change at the last minute.