The airport first opened in 1935 as the Tri-County Airport, a joint effort of Harrison, Marion and Taylor County. It was a grass airstrip operated on leased land. In 1937, Marion and Taylor County withdrew from the project. In 1938, Harrison County purchased additional land and expanded the airport. The current airport authority was established in 1960. The runway was extended to a length of 7,000 feet (2,100 m) in 1999.
Notice (March 22, 2005): of Air Midwest, Inc. of its intent to discontinue scheduled non-subsidized Essential Air Service between Clarksburg/Fairmont, West Virginia and Pittsburgh, Pennsylvania, effective June 20, 2005.
Order 2005-4-19 (April 19, 2005): prohibiting Air Midwest, Inc., from terminating its unsubsidized, scheduled air service at Parkersburg, Morgantown and Clarksburg/Fairmont, West Virginia, beyond the end of its 90-day notice periods, and requesting proposals from carriers interested in providing replacement essential air service (EAS) at the communities, with or without subsidy.
Order 2005-9-8 (September 9, 2005): selecting RegionsAir, Inc. to provide subsidized essential air Service (EAS) at Parkersburg, Morgantown and Clarksburg/Fairmont, West Virginia for a two-year period and establishing a combined subsidy rate of $1,051,333 per year for service consisting of 18 nonstop round trips each week between Parkersburg and Cincinnati, and 18 round trips to Cincinnati each week over a MGW-CKB-CVG-CKB-MGW routing, with 34-seat Saab 340A aircraft.
Order 2007-1-16 (January 25, 2007): selecting Colgan Air, Inc. d/b/a US Airways Express to provide subsidized essential air service (EAS) at Parkersburg, Morgantown, and Clarksburg/Fairmont, West Virginia, for two years, beginning when the carrier inaugurates service. Each community will receive 19 weekly round trips to Pittsburgh with 34-passenger Saab 340 aircraft. Service from Parkersburg will be nonstop in each direction. Service from Morgantown and Clarksburg/Fairmont will be served with a Pittsburgh - Morgantown - Clarksburg - Pittsburgh or a Pittsburgh - Clarksburg - Morgantown - Pittsburgh routing. The total combined annual subsidy is $2,421,914.
Ninety-Day Notice (March 28, 2008): of intent of Colgan Air Inc. D/B/A United Express to terminate scheduled essential air service at Parkersburg, Morgantown and Clarksburg/Fairmont, WV, effective June 28, 2008.
Order 2008-5-37 (May 27, 2008): re-selecting Colgan Air, Inc. d/b/a United Express, to provide subsidized essential air service (EAS) at Morgantown and Clarksburg/Fairmont, West Virginia, at a total annual subsidy rate of $2,116,650, for the two-year period of June 1, 2008, through May 31, 2010,
Order 2010-6-25 (June 29, 2010): re-selecting Colgan Air, Inc. to provide essential air service (EAS) at Clarksburg/Fairmont and Morgantown, WV, for a combined annual subsidy of $2,976,438, and at Beckley, WV, for an annual subsidy of $2,313, 457, for the two-year period from August 1, 2010, through July 31, 2012. Also selecting Gulfstream International Airlines, Inc., to provide EAS at Parkersburg, WV/Marietta, OH, at an annual subsidy rate of $2,642,237, for a two-year period beginning when the carrier inaugurates full EAS through the end of the 24th month thereafter. The total annual subsidy for all four communities is $7,923,132.
Order 2012-4-32 (April 30, 2012): selecting Silver Airways to provide Essential Air Service (EAS) at Beckley, Clarksburg/Fairmont ("Clarksburg") and Morgantown, West Virginia, for a combined annual subsidy of $5,968,744 ($2,512,494 for Beckley; $3,456,250 for Clarksburg and Morgantown), for the two-year period beginning when the carrier begins full EAS at all three communities.