Bishop Airport (Decatur, Texas)Bishop Airport is a privately owned public-use airport located east of the central business district of Decatur, a city in Wise County, Texas, United States.Facilities and aircraftBishop Airport has one runway designated 17/35 with a turf surface measuring. For the 12-month period ending September 3, 2008, the airport had 300 general aviation aircraft operations, an average of 25 per month.