JetBlue Check-In Policy – Prior to their flight, JetBlue Airways passengers must check in online to confirm their attendance and obtain their boarding cards. There are several ways to do it, including using airport kiosks, smartphone check-in, and online check-in. For purposes of verification, passengers offer their booking information, identity, and travel documents. They choose their seats, pay for any necessary baggage, and get their boarding tickets following their JetBlue Check-In Policy. Online and mobile check-in usually begins 24 hours before to departure and ends a few hours prior to take-off.