- Log in and select itinerary
- You may check in within 24 hours of flight departure. Online check-in closes
1 hour before flights within the U.S. and
2 hours before international flights.
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- Select seats
- Add frequent flyer information
- Request upgrades
- Select bag check options
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- Print your boarding documents. Documents may be re-printed at the airport.
- Bags may be checked curbside at the airport for flights within the U.S. (a small fee applies) or with a United customer service agent.
- Proceed to airport security with your boarding documents if you are not checking any bags.
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