Not bound by the borders of the state that shares its name, Air Wisconsin Airlines flies throughout the eastern half of the US. The regional carrier operates under the US Airways Express banner, providing connecting service for US Airways to approximately 70 cities in more than 25 states and in three Canadian provinces. Air Wisconsin maintains a fleet of about 70 aircraft, consisting of 50-seat Canadair regional jets (CRJs) made by Bombardier. In addition to its passenger transportation operations, Air Wisconsin Airlines provides ground-based services, such as passenger check-in and baggage handling, on behalf of United Air Lines, at about 20 airports. Air Wisconsin Airlines began operations in 1965.