Summary
- United has Airbus A320 flights with the most seats on its longest domestic routes.
- San Francisco is a key hub for United’s longest routes, including its only international Airbus flight.
- United’s Airbus A319 serves the longest route of 2,500 miles, offering the only direct flight option.
Headquartered at the Willis Tower in Chicago, United Airlines operates an extensive domestic and international route network across the USA and all six inhabited continents, primarily out of its eight hubs. As of 2024, United Airlines has 953 mainline aircraft, making it a carrier with one of the largest fleets. Further, United has one of the oldest fleets of all major US airlines, with the average aircraft age being 16.3 years.
Top 5: These Are United Airlines’ Longest Domestic Narrowbody Routes
The carrier’s longest domestic narrowbody route stretches over 3,400 miles across the country.
United Airlines operates a mix of Airbus and Boeing. It…
















