Fleet Fleet at time of closure , Frontier Airlines pilots and crew operated five Airbus A319-100 aircraft for Midwest Airlines. All former Midwest Airlines Boeing 717s were retired on November 3, 2009. The majority of Midwest Airlines routes were operated by Midwest Connect through outsourcing, allowing Midwest to advertise and maintain a route system similar to what existed prior to Midwest Air Group's takeover by Texas Pacific Group: The Boeing 717 aircraft were replaced by the Airbus A319 flown by Frontier Airlines and 15 Embraer 190 aircraft flown by Republic Airlines. Ten of these aircraft were purchased from US Airways.
Fleet Fleet at time of closure , Frontier Airlines pilots and crew operated five Airbus A319-100 aircraft for Midwest Airlines. All former Midwest Airlines Boeing 717s were retired on November 3, 2009. The majority of Midwest Airlines routes were operated by Midwest Connect through outsourcing, allowing Midwest to advertise and maintain a route system similar to what existed prior to Midwest Air Group's takeover by Texas Pacific Group: The Boeing 717 aircraft were replaced by the Airbus A319 flown by Frontier Airlines and 15 Embraer 190 aircraft flown by Republic Airlines. Ten of these aircraft were purchased from US Airways.