JetBlue allows you to check in for your flight 24 hours before departure online or at the airport. You can check in at the ticket counter or at a self-service kiosk. The check-in deadline for airport check-in is 60 minutes before departure.
For some flights, JetBlue check-in deadline may be earlier than 60 minutes before departure. You can check the check-in deadline for your specific flight on the JetBlue website.
JetBlue charges a fee for checked bags. The fee for the first checked bag is $35, and the fee for the second checked bag is $45. You can check in up to two checked bags in advance for a discount.