what is terminal is united airlines in, at o'hare international
United to remove option. Inside one of the busiest concourses at O'Hare International Airport, the recorded announcement cautioning travelers that the moving walkway is now ending'' means what it says. United Airlines has started to remove all eight moving walkway belts in Concourse C of Terminal 1 at O'Hare. The airline says the equipment, originally installed more than 20 years ago as a convenience for tired, bag-toting passengers, now just gets in the way.