According to the Official Airline Guide (OAG), regional and small commuter airlines serving the airport with scheduled passenger flights from the mid 1970s to the mid 1990s included Air New England, Cape Air, Colgan Air, Continental Express (operated by Bar Harbor Airlines on behalf of Continental Airlines), the Delta Connection (operated by Business Express on behalf of Delta Air Lines), Eastern Express (operated by Bar Harbor Airlines on behalf of Eastern Airlines), Edgartown Air, Express Air, Gull Air, Hyannis Aviation, Island Air, Nantucket Airlines, New York Air Commuter Airlines, Northwest Airlink (operated by Precision Airlines on behalf of Northwest Airlines), Provincetown-Boston Airlines (PBA), USAir Express and Will's Air with all of these air carriers operating either turboprop or small piston powered aircraft.