To begin, open any online browser and use the search bar at the top to find the airline's official website. When the new page appears in front of you, tap on the “Manage my Travel” option in the menu bar to continue. You'll see the itinerary information on a new screen, and you'll need to touch on the needed booking that has to be cancelled. Tap on it, then select the “Cancel Reservation” option from the menu to continue. There will be some information about cancellation conditions provided. You will be alerted of the email that has been sent to you. So, using the procedures above, you'll be able to Cancel a JetBlue Airlines Flight without any trouble. If you require any more assistance, you may contact Jetblue customer support. Customer assistance is provided on a variety of platforms that are open 24 hours a day, seven days a week. So, if you require any support or assistance, you are welcome to contact us at any time, regardless of the time zone. Read Also: Qatar Airways Cancellation Process