ExpressJet Airlines operates as United Express, on behalf of United Airlines, to serve more than 100 airports across the United States, Canada and Mexico. The airline flies more than 3,300 weekly flights from bases in Chicago, Cleveland, Houston, Knoxville and Newark, using ERJ145 jet aircraft.
ExpressJet is a ManaAir, LLC, company. United Airlines has a minority interest in ManaAir. ExpressJet Airlines LLC is headquartered in College Park, Georgia.