United Airlines operates both in Terminal 1, Terminal 2 and in Terminal 5.
In some cases this terminal can change.
Check your arriving flight here
United Airlines operates both in Terminal 1 and in Terminal 2.
In some cases this terminal can change.
Check your departing flight here
Follow the links below in order to see all the flights scheduled for United Airlines
- Arrivals
- Departures
In order to check in for your flight at Chicago O'Hare Airport (ORD), go to the terminal where your flight departs from, or follow the instructions provided in your ticket.
- IATA Code: UA
- Website: www.united.com/ual/en/us/
- Phone number: 1-800-864-8331
This airline operate some flights, but other flights are codeshare flights operated by the following airlines
-  Lufthansa
-  All Nippon Airways - ANA
-  Copa Airlines
-  SWISS
-  Aer Lingus
-  Austrian Airlines
-  Air New Zealand
-  Air Canada
-  Asiana Airlines