Airline · United States · Star Alliance

United Airlines

United has the most diverse route network in the US and arguably the most ambitious fleet renewal in progress. They placed the largest aircraft order in aviation history and they're not slowing down. The old Continental DNA is strong at Newark and Houston.

Callsign
UNITED
ICAO code
UAL
IATA code
UA
Founded
1926
Headquarters
Chicago, Illinois
Hubs
ORD · EWR · IAH · DEN · SFO · LAX · IAD
Fun fact

United's family tree gave the world its first flight attendant. On 15 May 1930, nurse Ellen Church flew as head stewardess for Boeing Air Transport, one of United's founding airlines, on a 20-hour trip from Oakland to Chicago in a Boeing 80A.

Quick answers

What is United Airlines' callsign?

"UNITED". On the radio a flight is called by that word plus its flight number, and on a live map its callsign starts with UAL.

What are United Airlines' airline codes?

ICAO UAL, IATA UA. Tickets and departure boards use the two-letter IATA code; air traffic control and flight data use the three-letter ICAO code.

Where are United Airlines' hubs?

Chicago (ORD), Newark (EWR), Houston (IAH), Denver (DEN), San Francisco (SFO), Los Angeles (LAX), Washington (IAD).

Is United Airlines in an airline alliance?

Yes: Star Alliance.

Aircraft you’ll see in United Airlines colors

United Airlines special liveries

Prefer the other way round? Browse all airlines or look up an aircraft.

Bogey · free on iPhone and Android

Is that a United Airlines flight?

Bogey shows every flight around you on a live map. Tap a UAL callsign and you get the aircraft, the route and where it's headed.

  • A live map of every aircraft around you, at its real position.
  • Tap one and it flips into a trading card: type, airline, route, photo.
  • Catch rare ones. Build a collection. Climb the leaderboard.
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