About the airline

United Airlines is one of the largest US carriers and a founding member of the Star Alliance, with major Pacific and trans-Atlantic operations.

IATA Code

UA

ICAO Code

UAL

Country

United States

Alliance

Star Alliance

Hub airports

ORD, DEN, IAH, EWR, SFO, IAD, LAX, GUM

Cabin baggage (Economy)

10 kg

Checked baggage (Economy)

23 kg

Hub airports

• O'Hare (ORD)
  Chicago, United States
• SFO (SFO)
  San Francisco, United States
• LAX (LAX)
  Los Angeles, United States

Popular United Airlines routes

• LAX → NRT
  Los Angeles → Tokyo
• SFO → CDG
  San Francisco → Paris
• ORD → FRA
  Chicago → Frankfurt
• ICN → LAX
  Seoul → Los Angeles
• SFO → HND
  San Francisco → Tokyo

Things to do in Chicago

Baggage policy

In Economy class, United Airlines typically allows up to 10 kg of cabin baggage and up to 23 kg of checked baggage. Specific allowances depend on fare type and route — always confirm during booking.

Frequently asked questions

What is the IATA code for United Airlines?

The IATA code for United Airlines is UA, and the ICAO code is UAL.

Which alliance does United Airlines belong to?

United Airlines is a member of the Star Alliance airline alliance.

Where are United Airlines's hub airports?

United Airlines operates main hubs at ORD, DEN, IAH, EWR, SFO, IAD, LAX, GUM.

What is United Airlines's Economy baggage allowance?

In Economy class, United Airlines typically allows 10 kg of cabin baggage and 23 kg of checked baggage. Specific allowances vary by fare type and route — always confirm during booking.

How can I find United Airlines flights on PlanMyTrip?

Use the search form on our homepage to find live United Airlines fares for any route. Filter or browse results to see only United Airlines (UA) options.