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United Airlines Airline Profile

United Airlines overview and available airline data

United Airlines logo United Airlines profile

Overview

Operating status: Active

Marketing name: United Airlines

Legal name: United Airlines Inc.

Year established: 1926

Region: North America

Base country: United States

Base city: Chicago

Base airport: Chicago O'Hare International Airport

Details

Airline IATA code: UA

Airline ICAO code: UAL

Airline category: Scheduled

Airline type: Full service carrier

Alliance: Star Alliance

Frequent-flyer programme: MileagePlus

Useful links

Official Website: visit website

Baggage policy: visit website

Online check-in: visit website

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United Airlines overview and services

United Airlines Inc. marketed as United Airlines is a currently operating North American scheduled full-service airline based in Chicago O'Hare International Airport, in Chicago, United States.

This airline's 2-char IATA designator is UA, and its ICAO code is UAL. Founded 100 years ago in 1926, the airline is one of the oldest carriers in the world. Along with Singapore Airlines, Lufthansa, All Nippon Airways, and 31 others, United Airlines is a Star Alliance alliance member.

United Airlines offers a web check-in option for the convenience of its passengers. The latest info regarding United Airlines baggage policy (last updated 2026) is available on the airline's official website via the link in the menu on the left.