Questions about United (UA), a major international airline of the United States, and the largest Star Alliance member.
United Airlines is one of the "Big Three" international airlines based in the usa, and one of the largest and oldest airlines in the world.
- Hub airports: ord (Chicago O'Hare), den (Denver), iah (Houston Bush Intercontinental), ewr (Newark Liberty), lax (Los Angeles), sfo (San Francisco), iad (Washington Dulles)
- Other key airports: gum (Won Pat Guam) is the base for United's Air Micronesia operation, and nrt (Tokyo Narita) is a focus city for service to Asia
- Alliance: star-alliance
- IATA code:
- Loyalty program: Mileage Plus
- Lounge/club: United Club