United Airlines

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United Airlines, Inc., often known simply as United, is a prominent airline based in Chicago, Illinois.

Ranked as the third-largest airline globally by revenue, United follows American Airlines and Delta Air Lines. The carrier operates an extensive network of both domestic and international routes, with significant operations throughout the Asia-Pacific region.

United is one of the founding members of Star Alliance, the world’s largest global airline network. Its regional flights are managed by independent airlines under the United Express brand, offering short and medium-haul connections to larger United flights.

If you need more help, you can reach out to United Airlines Customer Service directly.

Head Office (HQ) Tel Number Open
United Airlines, Inc.
Willis Tower
233 South Wacker Drive
Chicago, IL 60606
United States
1-800-UNITED-1
(1-800-864-8331)
24/7

As of June 2025, United Airlines operates flights to 220 domestic destinations across the United States and 149 international destinations spanning 71 countries including Australia. United is a key player in flights between Hawaii and the U.S. mainland and also maintains international hubs in Guam and Tokyo.

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