The main operating location for United Airlines is Terminal 1 at Chicago O’Hare International Airport (ORD). Serving both domestic and international flights, Terminal 1, sometimes referred to as the  United Airlines ORD Terminal is a significant hub for the airline. Concourses B and C of the terminal are connected by an underground pedestrian tunnel that is decorated with creative neon lights. There are numerous places to eat, stores, and services available to travelers, including United Club lounges for elite guests. Passengers may easily navigate and enjoy their time at the airport thanks to Terminal 1’s modern amenities and well-organized layout.