United Airlines Check-in Information

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Passengers traveling with United Airlines can complete check-in through online services, airport self-service kiosks, or staffed airport counters. These options allow travelers to obtain their boarding pass and complete pre-flight procedures before proceeding to security screening and boarding.

United Airlines Check-in Information

Online Check-in

Online check-in for United Airlines opens 24 hours before the scheduled departure time and closes 60 minutes before departure for most international flights. Passengers can select or change their seat, add their frequent flyer number from MileagePlus, and download or print their boarding pass.

Passengers traveling with checked baggage must drop their luggage at the airport baggage drop counter before the baggage acceptance deadline.

Self-Service Kiosks

Self-service kiosks operate at major airports across the airline’s network, including its hub at Chicago O'Hare International Airport. Passengers can check in, print boarding passes, and print baggage tags before proceeding to the baggage drop area.

Airport Counter Check-in

Airport check-in counters open three hours before international departures. Check-in closes 60 minutes before departure for most international flights.

Passengers traveling on international flights must arrive at the airport two to three hours before departure to complete baggage drop, security screening, and immigration procedures.

Important Reminders

• Online check-in is unavailable when the first flight in the itinerary is operated by another airline.

• Mobile boarding passes are accepted at many airports.

• Passengers must comply with check-in deadlines and baggage acceptance rules at their departure airport.

Shall you need further information, please contact United Customer Service directly at the following: