United’s hub information and fact sheet page
Chicago O'Hare
Chicago O'Hare International Airport is United’s hometown hub. With more flights out of O'Hare than any other airline, United flies more than 500 daily flights to nearly 200 destinations across the United States, Europe, Asia, Mexico, Latin America, the Caribbean and Canada.
Denver
United is Denver's largest airline offering more flights and more seats from the Mile High City to more destinations around the world than any other carrier. United operates more than 500 flights to nearly 180 destinations worldwide from Denver. United has a storied history in Denver, serving the community for more than 80 years, and benefits from a great partnership with local leaders who understand the importance of a thriving aviation sector.
Houston
United’s Houston hub serves as a gateway to Latin America, offering more options to Mexico, Central and South America than any other airline. With more than 450 daily departures, United ranked #1 in on-time departures from IAH in 2024.
Los Angeles
United has proudly served Los Angeles for more than a half century, providing its customers with more than 140 daily flights from LAX. With thousands of employees throughout the region, United is committed to the Los Angeles community and building a workplace that will help the airline's employees deliver great service to its global customers.
Newark Liberty – New York
United has proudly serviced New Jersey and New York City at EWR since 1928. Newark is the global gateway to Europe, Africa, Latin America and Asia for business and leisure travelers from around the greater tri-state region. United operates nearly 400 daily flights to more than 130 destinations around the globe.
San Francisco
For more than 90 years we have proudly served the San Francisco Bay Area, one of our oldest and most important markets. Over the years, we've demonstrated an unwavering commitment to the region, one that has been particularly evident in recent years as we've developed our hub at San Francisco into our prime Asia-Pacific gateway. With nearly 300 daily departures, United flies to more international destinations from Northern California than any other airline.
Washington Dulles
Washington Dulles is a gateway to the nation’s capital, connecting business and leisure travelers to the seat of government. More than 35 years ago, United began hub operations at Washington Dulles International Airport (IAD) and today, we are the D.C. regions largest airline with more than 260 daily nonstop flights to more than 40 international destinations, including to nearly 20 world capitals.