The headquarters of United Airlines is located in Chicago, Illinois, inside the world-famous Willis Tower, formerly known as the Sears Tower. This isn’t just a prime real estate location—it symbolizes United's strong presence in the heart of America and its commitment to innovation and connectivity. Being in Willis Tower provides easy access to Chicago O’Hare International Airport (ORD), one of the airline’s major hubs. The strategic location ensures seamless communication between the corporate teams and on-ground airport operations. https://airlinestermnals.com/airlines-offices/united-airlines/united-airlines-headquarters/