How to Cancel a Flight on Jetblue App? It is important to follow certain steps if you wish to cancel your Jetblue flight. You can cancel your JetBlue flight either through the JetBlue app or on their website. In this article, we'll show you how to cancel your JetBlue flight with the app. To cancel a flight on Jetblue's app, passengers should call Jetblue customer service at +1-800-538-2583 or OTA: +1-800-971-7347. For more information visit us: https://skyairbus.com/blog/how-to-cancel-a-flight-on-jetblue-app-skyairbus/ #jetblueairlines, #jetblueairlinescustomerservice