O'Hare International Airport (ORD) in Chicago is one of the world's busiest, with United Airlines playing a significant role in its operations. United operates from Terminals 1 and 2, with United Airlines O’Hare International Airport acting as the primary hub. This terminal is a key gateway for travelers because of the airline's extensive domestic and international aircraft network. Terminal 1, also known as the United Terminal, is modern and spacious, offering a wide range of services and amenities to assure passenger satisfaction. It has several dining options, retail shops, and lounges, including the United Polaris Lounge for business and first-class customers. The terminal also includes a number of customer care desks, baggage claim rooms, and self-service kiosks to assist with the check-in process. United Airlines passengers can easily transfer from Terminal 1 to the other terminals using the airport's excellent airside transit system. Terminal 1 features a cutting-edge security checkpoint and is frequently congested, especially during peak travel times. Passengers passing through ORD Terminal 1 may expect a well-organized, bustling environment with several amenities to make their trip as smooth and enjoyable as possible. Whether departing or arriving, United Airlines passengers will discover a wide range of services to meet their needs.