Continental Express, operated by ExpressJet and Chautauqua, offered service to approximately 150 destinations in the United States, Canada, Mexico and the Caribbean, from Continental's hubs in Houston, Newark and Cleveland. ExpressJet operates as a Continental Express and United Express carrier, while Chautauqua also operated flights as Delta Connection, US Airways Express, Frontier Airlines, Midwest Connect, Trans World Express, America West Express, and American Connection. Continental Express operated more flights to Mexico more than any other airline from its hub George Bush Intercontinental Airport.