Berlin Tegel Airport mid- to late 1960s' introduction by Pan American World Airways (Pan Am) and British European Airways (BEA) of jet aircraft with short-field capabilities that were not payload-restricted on Tempelhof's short runways, Air France experienced a traffic decline on those routes where it competed with Pan Am and BEA, mainly as a result of Tegel's greater distance and poorer accessibility from West Berlin's city centre. Over this period, the French airline's market share halved from 9% to less than 5% despite having withdrawn from Tegel–Düsseldorf in summer 1964 and concentrated its limited resources on Tegel–Frankfurt and Tegel–Munich to maximise the competitive
Detroit Metropolitan Airport the county expanded the airport to become Detroit's primary airport. It renamed the facility Detroit-Wayne Major Airport in 1947, and in the next three years expanded threefold as three more runways were built. In 1949, the airport added runways 3L/21R and 9L/27R, followed by runway 4R/22L in 1950. In 1946–47, most airline traffic moved from the cramped Detroit City Airport (now Coleman Young International Airport) northeast of downtown Detroit to the larger Willow Run Airport over west of the city, and west of Wayne County Airport. Pan-Am (1954) and BOAC (1956) were the first passenger airlines at Detroit-Wayne Major. In