JetBlue Airlines flight cancellation policy is applicable according to the fare type purchased. If the flight was booked seven days or more prior to the departure date, then customers can make use of JetBlue 24 hour cancellation policy and cancel their reservations within 24 hours from the time of their original booking without paying a cancellation fee. For non-refundable fares, cancellations may be made prior to scheduled departure after paying a cancellation fee plus any applicable fare difference. For refundable fares, a full refund is permitted for cancellation made prior to scheduled departure.