O'Hare International Airport (ORD) in Chicago is one of the world's busiest airports, with United Airlines playing an important part in its operations. United operates from Terminals 1 and 2, with United Airlines ORD Terminal serving as the principal hub. This terminal is an important gateway for travelers due to the airline's substantial local and international aircraft network.

Terminal 1, also known as the United Terminal, is contemporary and spacious, with a variety of services and amenities to ensure passenger comfort. It offers a variety of food options, retail shops, and lounges, including the United Polaris Lounge for business and first-class passengers. The terminal also features a variety of customer service desks, baggage claim rooms, and self-service kiosks to help with the check-in procedure.

United Airlines customers can easily transfer from Terminal 1 to the other terminals via the airport's excellent airside transportation system. Terminal 1 has a cutting-edge security checkpoint and is frequently congested, particularly during peak travel periods.

Passengers going through ORD Terminal 1 should expect a well-organized, lively environment with many amenities to make their journey as smooth and comfortable as possible. Whether departing or arriving, United Airlines travelers will discover a variety of services to fulfill their needs.