Wikipedia
Champlain Enterprises, Inc., operating as CommutAir, is an American regional airline with its headquarters in South Burlington, Vermont, its operations center in North Olmsted, Ohio, and its principal maintenance base in Albany, New York. It operates under the name United Express for United Airlines, with its main hubs at Washington Dulles Airport and Newark Liberty International Airport. It flies to destinations mainly in the Midwest and Northeast United States.
In 1979, a commuter airline using the name Commutair operated intercity shuttle service in the Houston, Texas area between Hobby Airport (HOU) and Intercontinental Airport (IAH) and also between Sugarland Airport (SGR) and Intercontinental Airport (IAH) with de Havilland Canada DHC-6 Twin Otter and Beechcraft twin turboprop aircraft.