in 1986 and the Ozark Midwest flights then began operating as Trans World Express In the fall of 1991, Trans World Express service into the airport was being operated by Trans States Airlines with four nonstop British Aerospace BAe Jetstream 31 commuter propjet flights a day from St. Louis. By 1994, Trans World Express was no longer serving Fort Smith. Metroflight Airlines, a division of Metro Airlines, began service to Dallas/Ft. Worth and Fayetteville, AR in 1982 with Convair 580 turboprops. Metroflight would then become the first carrier to operate as American Eagle on behalf of American Airlines in late 1984. Republic Airlines (1979-1986) began providing Republic Express service operated by Express Airlines I (now Endeavor Air) with nonstop flights to Memphis in 1985. In 1986, Republic was acquired and merged with Northwest Airlines with the Republic Express service then becoming Northwest Airlink. British Aerospace BAe Jetstream 31 and Saab 340 turboprops were first used and with service then upgraded to Canadair CRJ-200 regional jets in the mid 2000s. Northwest Airlines then merged with Delta Air lines in 2010 and the Memphis flights continued as Delta Connection until 2012 when Delta shut down its Memphis hub operation inherited from Northwest. Delta Connection operated by Rio Airways briefly operated flights to Dallas/Ft.Worth (DFW) using de Havilland Canada DHC-7 Dash 7 turboprops in late 1985 through early 1986. Atlantic Southeast Airlines (ASA) then resumed the Delta Connection service to DFW flying Embraer EMB-120 Brasilia turboprops from late 1986 until mid 2001. ASA also operated flights to Memphis in 1985 and 1986 using Embraer EMB 110 Bandeirantes. ASA began nonstop flights to Atlanta in mid 2007 using Canadair CRJ-200 regional jets. The Atlanta flights ended in mid 2009 but returned on June 7, 2012, and later upgraded with CRJ-700 and CRJ-900 jets. The Delta Connection service was also changed from ASA to Endeavor Air. With the merger of Delta Air Lines and Northwest Airlines in 2010, the Northwest Airlink service to Memphis was changed to Delta Connection but was discontinued on September 5, 2012, after Delta shut down its Memphis hub operation inherited from Northwest. Delta Connection service nonstop to Atlanta was then increased to three daily flights. American Eagle service to Dallas/Ft. Worth (DFW) was initially operated by Metroflight Airlines in late 1984 using Convair 580 turboprops. In 1987 the Convair 580s were retired and the DFW service was then flown with