Yes, you can check in online for a JetBlue flight. Online check-in is available starting 24 hours before your scheduled departure time and closes 40 minutes before departure for domestic flights and 60 minutes before departure for international flights. To check in online, you can use the JetBlue website or mobile app by entering your confirmation code, ticket number, or TrueBlue number along with your last name. During the check-in process, you can review your flight information, choose or change your seat depending on your fare, and add checked baggage if needed. Once completed, you can save your boarding pass to your mobile device, email it to yourself, or print it for use at the airport. If you are traveling with carry-on luggage only, you can proceed directly to security and then to your gate. If you have checked baggage, you must still go to the bag drop counter at the airport before the check-in deadline, which is 40 minutes before departure for domestic flights and 60 minutes for international flights. JetBlue also offers self-service kiosks at many airports where you can check in, print your boarding pass, and tag your luggage. These kiosks are generally available three hours before departure and are helpful for travelers who did not check in online or need to complete baggage check. Additionally, JetBlue provides staffed check-in counters at the airport for passengers who prefer in-person service or require assistance, such as those traveling with pets, unaccompanied minors, or needing special services. These counters open several hours before the flight and close around 40 minutes prior for domestic flights and 60 minutes prior for international flights. In some locations, JetBlue also offers curbside check-in, allowing passengers to check in and drop off their luggage from outside the terminal, which can be a convenient option when available. It is important to arrive at the airport early enough to allow time for check-in, baggage drop, and security screening. JetBlue recommends arriving at least two hours before domestic flights and three hours before international flights. For some destinations, such as Cuba, passengers are required to check in at least four hours before departure due to additional procedures. After completing check-in, you should proceed through security with your boarding pass and valid identification, and then go directly to your gate. Boarding typically begins 30 to 40 minutes before departure, and the boarding gate closes 15 minutes before departure for domestic flights and 20 minutes before international flights. Missing the gate closing time may result in denied boarding even if you are checked in. Checking in online is the most efficient way to secure your seat, avoid long lines, and ensure a smooth start to your travel. By understanding JetBlue’s check-in options and arriving at the airport on time, you can help make your journey as easy and stress-free as possible.