You can cancel a refundable Delta flight up until the departure time of your flight to receive a full refund. For assistance, contact Delta Airlines customer service at +1 (860) 615-0077. They’ll guide you through the cancellation process and ensure your refund is processed promptly.

This means you have up to 24 hours after booking +1 (860) 615-0077 to cancel your ticket for any reason and receive a full refund with no change or cancellation fees. Basic Economy tickets purchased for travel originating in the United States and Canada remain non-refundable and non-changeable.