United Airlines
Airline based in United States
Airline facts
- IATA code
- UA
- ICAO code
- UAL
- Callsign
- UNITED
- Country
- United States
- Alliance
- Star Alliance
- Website
- united.com
United Airlines seat maps
- Airbus A319126 seats
- Airbus A320150 seats
- Airbus A321neo200 seats
- Boeing 737 MAX 9179 seats · 2 versions
- Boeing 737-700126 seats
- Boeing 737-800166 seats · 3 versions
- Boeing 737-900ER179 seats · 2 versions
- Boeing 757-200176 seats
- Boeing 757-300233 seats
- Boeing 767-300ER167 seats
- Boeing 767-400ER231 seats
- Boeing 777-200ER364 seats
- Boeing 777-300ER350 seats
- Boeing 787-10 Dreamliner321 seats
- Boeing 787-9 Dreamliner257 seats
- Bombardier CRJ55050 seats
- Embraer E17570 or 76 seats · 2 versions
- Embraer ERJ-14550 seats
United Airlines routes in the US
United Airlines flew from 262 airports to, from or within the United States between August 2025 and July 2026. Busiest routes:
- LGA to ORDNew York to Chicago · 89 a week
- DEN to IAHDenver to Houston · 82 a week
- IAH to ORDHouston to Chicago · 82 a week
- EWR to SFONewark to San Francisco · 82 a week
- DEN to ORDDenver to Chicago · 81 a week
- EWR to ORDNewark to Chicago · 77 a week
- ORD to SFOChicago to San Francisco · 75 a week
- DEN to SFODenver to San Francisco · 75 a week
- DCA to ORDWashington to Chicago · 75 a week
- LAX to ORDLos Angeles to Chicago · 73 a week
- IAH to SFOHouston to San Francisco · 68 a week
- EWR to IAHNewark to Houston · 67 a week
- EWR to LAXNewark to Los Angeles · 67 a week
- IAH to LAXHouston to Los Angeles · 67 a week
- BOS to ORDBoston to Chicago · 67 a week
- LAX to SFOLos Angeles to San Francisco · 67 a week
- DEN to EWRDenver to Newark · 64 a week
- DEN to LAXDenver to Los Angeles · 62 a week
- LAS to SFOLas Vegas to San Francisco · 61 a week
- DEN to IADDenver to Dulles · 61 a week
- EWR to MCONewark to Orlando · 58 a week
- SAN to SFOSan Diego to San Francisco · 57 a week
- IAH to LGAHouston to New York · 49 a week
- AUS to IAHAustin to Houston · 49 a week
- HNL to SFOHonolulu, Oahu to San Francisco · 48 a week
- IAD to ORDDulles to Chicago · 48 a week
- IAH to MSYHouston to New Orleans · 48 a week
- EWR to LHRNewark to London · 48 a week
- MCO to ORDOrlando to Chicago · 48 a week
- IAD to LAXDulles to Los Angeles · 48 a week
United Airlines hubs
- ChicagoChicago O'Hare International Airport
- DenverDenver International Airport
- DullesWashington Dulles International Airport
- HagåtñaAntonio B. Won Pat International Airport
- HoustonGeorge Bush Intercontinental Airport
- Los AngelesLos Angeles International Airport
- NewarkNewark Liberty International Airport
- San FranciscoSan Francisco International Airport