One of United Airlines ORD Terminal major hubs, Chicago O'Hare International Airport (ORD), is Terminal 1, where the airline primarily operates. Concourses B and C make up Terminal 1, which is joined by a walkway with a recognizable neon light display. For a speedy start to their trip, United customers can use self service kiosks or check in at desks on the top level. International business class passengers can use the premium Polaris Lounge in Concourse C and United Club lounges on both concourses of Terminal 1. United's ORD terminal offers travelers a simple and comfortable travel experience with a wide variety of restaurants and shopping opportunities.