Airlines and Aircraft Serving Wausau/Central Wisconsin Airport Effective April 15, 1975
AIR WISCONSIN Aircraft Operated: Swearingen Metroliner Destinations Served: Appleton, Minneapolis/Saint Paul
NORTH CENTRAL AIRLINES Aircraft Operated: Convair 580, McDonnell Douglas DC-9-30 Destinations Served: Duluth, Eau Claire, Green Bay, Madison, Minneapolis/Saint Paul, Rhinelander