Berlin Tegel Airport continued operating its daily non-stop Tegel–JFK service until Delta Air Lines assumed most of Pan Am's transatlantic scheduled services during 1991. Pan Am Express, which was not included in Pan Am's IGS sale to Lufthansa, continued operating all of its domestic and international regional scheduled routes from Tegel as an independent legal entity until its acquisition by TWA in 1991. Following TWA's takeover of Pan Am Express, the former Pan Am Express Berlin operations were closed. Until December 1994, Lufthansa also contracted Euroberlin to operate some of its internal German flights from its new Tegel base, making use of that
Billy Bishop Toronto City Airport time, the island airport site was to become the site of the "Harbor City" residential development, although a replacement for the island airport had not been agreed upon. A 1969 proposal to build a new airport by the new headland was met with opposition from local residents and Toronto City Councillors and was dropped. With plans uncertain, the Government of Canada requested that the Harbour Commission continue to operate the airport as is in the interim. In 1972, the "Harbor City" project died when the governments of Canada and Ontario proposed to build a new major airport in Pickering, Ontario.