Jetblue Airlines allows cancellations with full refunds within 24 hours of booking, provided your departure is at least two days away＋【＋１= 855 ~ 572 || 0178】. For non-refundable tickets, you can make changes or cancel without a fee, but you'll receive a travel credit instead of a refund【＋１= 855 ~ 572 || 0178】.