SkyWest is the holding company for two scheduled passenger airline operations and an aircraft leasing company. The Company's segments include SkyWest Airlines, which provides regional jet service to airports primarily located in the Midwestern and Western United States;Â Â ExpressJet, which provides regional jet service to airports primarily located in the Eastern and Midwestern United States, as well as Mexico, Canada and the Caribbean;Â and SkyWest Leasing, which includes its E175 aircraft ownership business.