CommutAir, operating as United Express, is a U.S. regional airline founded in 1989, and is majority-owned by Champlain Enterprises, Inc. Today, CommutAir operates more than 1600 weekly flights to 56 U.S. destinations and 3 in Mexico, with Embraer ERJ-145 aircraft, from its bases at Denver, Washington Dulles, and Houston Intercontinental.