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United Airlines Legacy Carrier illustrationLegacy Carrier
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UAActive

United Airlines

United States · UNITED
2,180
Routes
6
Hubs
UAL
ICAO
UA
IATA
AirlinesAirports profile

Connecting the world through America's largest airline network.

Founded
1926
Headquarters
Chicago, United States
Alliance
Star Alliance
United Airlines is one of the largest airlines in the world by fleet size and route network, serving hundreds of destinations across six continents. It operates through a major hub-and-spoke system centered on airports in Chicago, Houston, Denver, Newark, San Francisco, Los Angeles, and Washington D.C. Founded in 1926, United has grown through numerous mergers and acquisitions, most notably its 2010 merger with Continental Airlines, which created one of the world's largest carriers. The combined entity operates under the United Airlines brand and is headquartered in Chicago, Illinois. United Airlines is a founding member of the Star Alliance, the world's largest airline alliance, giving customers access to an extensive global partner network. The carrier has invested significantly in fleet modernization and cabin upgrades in recent years.
Hubs & network
United Airlines operates primary hubs at Chicago O'Hare, Houston Bush Intercontinental, Denver International, Newark Liberty, San Francisco International, Los Angeles International, and Washington Dulles.
Fleet
United operates a mixed fleet including Boeing 737, 757, 767, 777, 787 Dreamliner, and Airbus A319, A320, and A321 aircraft.
Notable facts
  • ›United merged with Continental Airlines in 2010 to form the world's largest airline at the time.
  • ›United is a founding member of the Star Alliance, established in 1997.
  • ›The airline operates one of the largest international route networks of any U.S. carrier.
  • ›United's MileagePlus is one of the most widely used frequent flyer programs in the world.
  • ›United operates Polaris business class on long-haul international routes, featuring lie-flat seats.
This profile is provided for general information only. Contact details may be inaccurate or outdated — always verify with the airline's official website before acting on them.
Featured article · AirlinesAirports Library
United Airlines

United Airlines is one of the world's largest carriers, operating a global network from five major U.S. hubs. This encyclopedic profile covers its century-long history, current fleet, routes, MileagePlus loyalty program, financials, safety record and strategic outlook.

Read the full profile

Route network map (497 legs)

Leaflet © OpenStreetMap © CARTO

Route network

ABQ → ORDCR7 E70
ACV → SMFEM2
AEX → IAHERJ
AIA → CDRBE1
ALB → IADDH4 DH2 CR7 CRJ ERJ
ALS → FMNBE1
AMA → IAHERJ
AMS → IAH777
AMS → ORD763
AOO → IADSF3
AOO → JSTSF3
ASE → LAXCR7
ATW → ORDERJ CRJ CR7
AVL → ORDCRJ
BFD → CLEBE1
BFS → EWR752
BHX → BRUDH4
BJX → LAX319
BNA → CLEERJ
BNA → DENERJ
BNA → ORDERJ CRJ
BOG → IAD319
BOI → ORDCR7
BOS → DEN739 320 738
BOS → EWR73G 738 319 320 739 753 752
BOS → IAH739 738 320 73G 319
BOS → LAX752
BOS → ORD739 752 738 73G 319 320 753
BOS → PTY73G
BOS → YULCRJ DH3
BOS → ZRH333
BRU → COO332
BRU → FNA333
BRU → GOTDH4
BRU → MANDH4
BRU → OUA333
BRU → SXBDH4
BTV → EWRDH4
BWI → LAX319 738
BZN → DEN73G
CAE → IAHERJ
CCS → IAH739
CDG → EWR764 752 763
CHO → IADDH2
CHS → EWRERJ
CHS → IAHERJ CRJ
CHS → ORDERJ CRJ CR7
CID → DENCR7 CRJ ERJ
CKB → IADSF3
CKB → MGWSF3
CLE → AUSCR7
CLE → BFDBE1
CLE → BNAERJ
CLE → DFWERJ CRJ
CLE → ERIDH3
CLE → JHWBE1
CLE → LAS739 320 738
CLE → LGAERJ E70
CLE → MCO738 320 73G 739
CLE → ORD73G 319 738 320
CLE → PHX738 320
CLL → IAHERJ
CMH → CLEDH2 ERJ
CMH → IADE70 DH4 ERJ CR7 CRJ
CMH → YYZDH1
COS → IADCR7
COS → IAHCRJ ERJ
CPR → DENCRJ
CTG → MIA318 320
CUN → AUS739
CUN → CLE738 739
CUU → IAHERJ
CVG → DENCR7 ERJ
CVG → IADCRJ CR7 ER4 ERJ
CWA → ORDERJ
DAY → IADER4 CR7 CRJ ERJ
DCA → CLEERJ E70
DCA → EWRDH4 ERJ E70
DEN → AIABE1
DEN → ALSBE1

Entity data from open aviation datasets (OurAirports, OpenFlights) with AI-assisted editorial clearly marked. Always confirm time-sensitive details with the official airline website. Sources & verification