Indeed, the airline has a flexible 24-hour cancellation policy in place. Under the JetBlue 24 hour cancellation policy, passengers can cancel their flight (irrespective of ticket type) within 24 hours of booking for free, provided you have booked the flight at least 7 or more days prior to the departure. To know more regarding the cancellation policy, you can call +1-800-865-1848 a consolidation desk for quick assistance.