Delta Airlines has a 24-hour cancellation policy, allowing travellers to cancel their reservations within 24 hours after placing them and receive a full refund. As long as the booking is made at least seven days before the scheduled departure, this policy applies to all ticket types, including non-refundable tickets. If you cancel within 24 hours of booking and your departure is less than seven days away, you will receive a refund minus any relevant fare changes. Delta Airlines 24 Hours Cancellation Policy allows travellers to make modifications or cancel their bookings without paying any cancellation costs shortly after booking.