United Airlines is headquartered at the Willis Tower (formerly Sears Tower), located at 233 South Wacker Drive in downtown Chicago, Illinois. The airline moved its corporate offices there after previously being based at 77 West Wacker Drive, also known as the “United Building,” from 2007 until 2012. The relocation of United Airlines headquarters to Willis Tower significantly improved the company’s presence in Chicago and enhanced its role as one of the city’s major corporate tenants.
Where is United Airlines’ Headquarters Located?
United Airlines has its headquarters in Chicago, Illinois, inside the famous Willis Tower. This skyscraper is one of the tallest and most recognized buildings in the United States, making it a fitting home for one of the leading names in aviation. Travelers often identify this location as the United Airlines Chicago Office because of its central importance.
The exact United Airlines headquarters address is: 233 South Wacker Drive, Chicago, IL 60606.

Overview of United Airlines Headquarters
The Willis Tower serves as United’s central location for key decision-making and corporate functions. This Corporate Support Center (CSC) comprises around 740,000 square feet over multiple floors, redesigned into a modern hybrid workplace. The airline’s executive team and various corporate divisions manage and oversee everything from flight operations and fleet management to financial planning and public policy from here. The location in the heart of Chicago’s financial district places the company’s management teams in a central business environment, close to large investors and other major corporations.
Summary of the United Airlines Corporate Office
United Airlines Headquarter Address | 233 South Wacker Drive, Chicago, IL 60606 |
Country | United States of America |
Phone Number | +1 800 864 83 31 |
Customer Care | [email protected] |
Operating Hours | Monday to Friday, 08:00 am to 05:00 pm |
Social Media | Facebook: https://www.facebook.com/United/ X: https://x.com/united YouTube: https://www.youtube.com/united Instagram: https://www.instagram.com/united/ LinkedIn: https://www.linkedin.com/company/united-airlines/ |
United Airlines Headquarter Map
United Airlines Headquarters Lease Extension
United Airlines moved its headquarters to the Willis Tower in a phased process, beginning in 2007. This new headquarters of United Airlines consolidated its corporate and operations center into a single location, and it became the official headquarters in 2012. According to a 2019 report, United renewed its lease at Willis Tower, ensuring the airline will remain in the building through at least 2033. This long-term commitment solidifies Chicago’s role as the company’s corporate home. The Willis Tower office alone houses more than 4,000 employees, while the airline’s total workforce in the Chicago area, including staff at O’Hare Airport and reservation centers, is over 14,000.
The Hub-and-Spoke System
United Airlines mainly operates on a hub-and-spoke system, similar to other major legacy carriers. In this model, flights connect through a central airport, called a “hub,” which links to multiple smaller cities known as “spokes.” For an airline, this model is extremely efficient. It lets them pack out planes more efficiently by collecting passengers from many points of origin, and it lets them serve a broader set of destinations with less need for direct flights. The United Airlines Houston Office at George Bush Intercontinental Airport (IAH) is one of the key hubs in this network, ensuring smooth connections across domestic and international routes.
United Airlines’ major hubs include:
- Chicago O’Hare (ORD)
- Denver International (DEN)
- San Francisco International (SFO)
- Houston George Bush Intercontinental (IAH)
- Los Angeles International (LAX)
- Newark Liberty International (EWR)
- Washington Dulles International (IAD)
- A.B. Won Pat International Airport in Guam (GUM)

Corporate Identity & Business Structure
United Airlines is part of United Airlines Holdings, Inc., and is a founding member of the Star Alliance, the world’s largest airline network. The airline was founded in 1926, making it one of the oldest U.S. carriers still operating today.
Global Reach & Fleet
United Airlines serves more than 383 destinations worldwide, flying to six continents. Its fleet is one of the largest in the industry, with over 1,000 aircraft ranging from domestic Boeing 737s to long-haul Boeing 787 Dreamliners and 777s.
The United Airlines Chicago headquarters team plays a big role in managing this massive global network, from scheduling routes and maintaining aircraft safety to building new partnerships around the world.
Final Thoughts!
The United Airlines headquarters in Chicago is more than just an office space. It serves as the central hub for one of the world’s largest airlines, where key decisions are made to keep operations running smoothly. From managing flight schedules to supporting employees, the headquarters plays a vital role in ensuring that millions of passengers travel safely and comfortably to their destinations around the world each year.
FAQs on United Airlines Headquarter
The headquarters is located at the Willis Tower, 233 South Wacker Drive, Chicago, Illinois.
To be closer to downtown Chicago and strengthen its presence near its largest hub, O’Hare.
The move began in 2007 and was completed by 2010.
The lease has been extended until 2028.
United Airlines has several major hubs, including Chicago (ORD), Denver (DEN), Houston (IAH), Los Angeles (LAX), Newark (EWR), San Francisco (SFO), and Washington, D.C. (IAD).
Before consolidating its headquarters in the Willis Tower, United’s corporate offices were located in the Chicago suburbs, specifically in Elk Grove Village.
United is one of the largest employers in the Chicago area, with 1400 employees working at its Willis Tower headquarters and its O’Hare hub.