Only Danzig-registered aircraft are allowed to fly over the League of Nations-administered “Polish Corridor,” which separates Germany in the west from East Prussia, Deutsche Luft Reederei, GmbH. forms this subsidiary for that purpose in October 1919. In 1920, this carrier becomes the first noncharter member to join the International Air Traffic Association (IATA). On July 29, its single Fokker F-III launches international service from Danzig (Gdansk) to Konigsberg and Memel. The route is extended to Riga and Reval in August.
When the German parent becomes part of Deutscher Aero-Union, A. G. on April 27, 1921, its wholly owned Polish associate joins as well.
On February 6, 1923, Danziger Luft Reederei is joined with Danziger Lloyd Luftdienst to form, effective in April, Danziger Aero Lloyd, A. G., a component of the Deutscher Aero Lloyd, A. G. conglomerate.
DANZIGER LUFTPOST GmbH.: Poland (1921-1923). As only Danzig-registered aircraft are allowed to fly over the League of Nations-administered “Polish Corridor,” which separates Germany in the west from East Prussia, Junkers Luftverkehr, GmbH. forms Danziger Luftpost as a subsidiary for that purpose on February 26, 1921.
In the summer of 1922 international F-13 service is inaugurated from Danzig (Gdansk) to Konigsberg and Memel. The route, which is the same as that flown by Danziger Lloyd Luftdienst (DLL), is also extended to Riga and Reval in August.
In 1923, the two competing airlines (DLL is now Danziger Aero Lloyd, A. G.) come to operate the route, now extended, alternately, to Berlin. On October 22, DL is one of six small companies combined into the Junkers-sponsored Ost-Europa Union.