United Airlines check-in is an important part of preparing for your flight. Passengers can check in in several ways, including online, through the mobile app, at airport kiosks, or at the check-in counters. Online check-in is the easiest and most convenient option. It opens 24 hours before the scheduled departure and closes usually 60 minutes before international flights and 30 to 45 minutes before domestic flights. To check in online, passengers go to the United Airlines website or use the United mobile app. They enter their confirmation number and last name, then follow the steps to complete the check-in process. After checking in, passengers can view their seat, choose or change seats if available, and add any checked bags. Once complete, they receive a digital boarding pass which can be saved on a phone or printed at home. This makes airport travel faster and easier.

Passengers who cannot check in online or prefer doing it at the airport can use self-service kiosks or go to the check-in counters. Kiosks allow travelers to check in, print boarding passes, and tag checked luggage. These machines are usually located near the airline’s counters. United Airlines staff are also available at the counters to help passengers who need special assistance, are traveling with pets, unaccompanied minors, or have passport or visa checks for international travel. It is important to arrive at the airport early to allow enough time for check-in, baggage drop, and security screening. United recommends arriving at least two hours before a domestic flight and three hours before an international flight.

Passengers traveling with checked bags must check in and drop off their luggage before the airline’s cut-off time. For most domestic flights, checked baggage should be dropped off at least 45 minutes before departure, and for international flights, at least 60 minutes before. Carry-on baggage rules allow one personal item and one carry-on bag for most ticket types. Basic Economy passengers may have more restrictions, so it is important to review baggage policies based on the ticket purchased. Passengers can also pay for extra baggage during the check-in process.

Priority check-in is available for passengers flying in premium cabins, MileagePlus Premier members, and those who have purchased Premier Access. This service provides faster lines and early boarding. Passengers needing special services, such as wheelchair assistance, should inform the airline during check-in or ahead of time. United staff are trained to help ensure a smooth experience. For international travel, valid passports and visas are required, and document checks may happen at the airport before boarding.

United Airlines also allows group check-in, which is helpful for families or large groups traveling together. All travelers in the group should be present with their documents ready. After check-in, passengers should proceed to security and go to the gate before boarding time. Gates close shortly before the scheduled departure, so it is important not to wait too long. In summary, United Airlines check-in can be done online, via the app, at kiosks, or in person at the airport. Completing check-in on time and having all documents ready ensures a smooth start to the journey.