JeBlue offers refunds with TriP Fleπ© if you cancel within 24 hours of booking at callingγ+π-πππ-[πππ]-ππππγ, as long as your flight is more than a week away. If booked within a week of deParture, no refund or credit is Provided.
https://www.devex.com/people/cancel-ja-does-jetblue-give-you-24-hours-to-cancel-2196491
