United Airlines

Home Base: Chicago, Illinois
Telephone: (800) 241-6522
Online Booking: YES
Frequent Flier Mileage Plan: YES
Website: http://www.united.com

United Airlines operates approximately 3,300 flights a day on United and United Express to more than 200 U.S. domestic and international destinations from its hubs in Los Angeles, San Francisco, Denver, Chicago and Washington, D.C.

To buy your plane tickets from United, visit United.com.