United Airlines
United Airlines, Inc. is a major American airline headquartered at the Willis Tower in Chicago, Illinois. Wikipedia
Customer service: 1 (800) 864-8331
Alliance: Star Alliance
CEO: Scott Kirby (May 20, 2020–)
Founder: Walter Varney
Baggage tracking: 1 (800) 335-2247
Subsidiaries: United Vacations, Inc, United Ground Express, Inc., United Airlines Canada, and more