Yes, Delta has a cancellation policy, which includes a 24-Hour Risk-Free Cancellation for full refunds for most tickets booked directly with Delta.Call at +1-800-651-8918 (US) or +44-203-376-3406 (UK) After the initial 24-hour period, cancellation policies vary by fare type: non-refundable tickets, such as Main Cabin and above, are typically eligible for an eCredit with no change or cancellation fees for flights originating in the U.S., Canada, and the Caribbean. However, Basic Economy tickets are non-refundable and may incur a fee to receive an eCredit, though some fare waivers may offer more flexibility. Call at +1-800-651-8918 (US) or +44-203-376-3406 (UK)