To enjoy a smooth JetBlue check-in experience, it's essential to know the airline's rules and timelines. Online and mobile check-in open 24 hours before departure and close 60 minutes before domestic flights and 90 minutes before international flights. Airport check-in kiosks and counters follow the same closing times. Ensure your bags are checked in before the cutoff times to avoid d... https://www.airlinereservationwindow.com/jetblue-check-in-policy/