Sheridan County Airport (IATA: SHR, ICAO: KSHR, FAA LID: SHR) is in Sheridan County, Wyoming, two miles southwest of Sheridan, Wyoming. Sheridan once again has scheduled passenger airline service with nonstop flights to Denver (DEN). Air service had been subsidized by the federal Essential Air Service program until February 2007, when Big Sky Airlines began providing subsidy free service The Big Sky service was suspended in January 2008 when this air carrier went out of business. Great Lakes Airlines was the only other carrier at Sheridan, but it abruptly ceased all flights on March 31, 2015. Many Sheridan residents were confused regarding the lack of replacement service, believing that service to Sheridan was still subsidized under Essential Air Service. Federal law had been changed in 20