Delta Airlines offers a 24-hour flexible booking policy that allows passengers to cancel their flight reservations and receive a full refund of the ticket price, provided the cancellation is made within 24 hours of booking. This policy applies to all Delta flights, including both domestic and international routes, regardless of the fare type selected. Key points regarding Delta Airlines' 24-hour flexible booking policy: Time Frame: Passengers have up to 24 hours from the time of booking to cancel their flight reservation and request a full refund. The 24-hour period begins at the time the booking is confirmed and includes weekends and holidays.