(parent of Republic Airline) terminated its service agreement with Frontier Airlines, which entered Chapter 11 bankruptcy in early April 2008. Subsequently, Republic Air Holdings purchased Frontier Airlines in bankruptcy. Frontier-branded Republic Airways E190 aircraft provided regional capacity support. In September 2013, Republic Airways Holdings sold Frontier Airlines. As part of the sale, Republic Airways terminated the Frontier branded E190 from flying. On February 1, 2008, Republic Airways opened a base at Port Columbus International Airport in Columbus, Ohio. On September 3, 2008, Republic signed a new 10-year codeshare agreement with Midwest Airlines. The aircraft would be based at Kansas City International Airport beginning October 1, 2008. Twelve aircraft would be placed in service with Midwest. On June 23, 2009, Republic announced it would acquire Midwest Airlines for $31 million. In January 2013, Republic Airways Holdings reached a capacity purchase agreement with American Airlines to operate Embraer E175 airplanes under the American Eagle brand beginning in mid-2013. Republic began service as an American Eagle affiliate on August 1, 2013, from Chicago to New Orleans, Pittsburgh, and Albuquerque. On February 25, 2016, the airline filed for Chapter 11 bankruptcy protection. The airline was hit hard because of pilot shortages, but a new contract ratified in October 2015 helped restructure the airline. At the time of filing, Republic Holdings claimed $2.97 billion in liabilities and $3.56 billion in assets. On November 16, 2016, Republic Airways Holdings filed their Plan of Reorganization with intentions to emerge from Chapter 11 during the first quarter of 2017. It was announced that parent company Republic Airways Holdings would merge subsidiaries Shuttle America and Republic Airways into one company, with Republic Airways being chosen as the surviving company. On January 31, 2017, Shuttle America merged with Republic Airways. In December 2018, the operating division was renamed Republic Airways to match its parent company. As of January 31, 2017, Republic Airways has the largest fleet of Embraer E170 and Embraer E175 aircraft in the world. Destinations As of October 2022, Republic operates for United Express, American Eagle, and Delta Connection; below are the United Express destinations. Fleet Current fleet As of April 2022, the Republic Airways fleet consists of the following aircraft: Fleet development The Embraer E175 made its United States domestic debut when the first aircraft was delivered to Republic Airways in March 2007. Total orders were for 36 aircraft, which were operated in an 80-seat configuration under