New! Use your mobile device to check in for international flights, as well as flights within the U.S. Learn more
Why check in online?
Select your seats
Spend less time at the airport
How to check in online
1. Log in.
2. Select your reservation.
3. Choose how you would like to recieve your boarding documents.
How to cancel online check-in
1. Log in.
2. Select your reservation.
3. Click "Cancel check-in."
Ways you can check in online;
Connfirmation or e-ticket number and last name
Credit card Number and last name
Mileage Plus # or email address and password
First name, last name, To and From
New! Now you can check-in from any web-enabled mobile device at mobile.united.com. Learn more
*Note: Due to required security measures, some customers may not be able to check in online. Active military personnel and/or a dependent with ID and traveling on orders must check in with an agent.
