First Air Line in the world

First Air Line in the world was Koninklijke Luchtvaart Maatschappij N.V. (KLM) Netherlands created in 1919. Operated its first flight from Amsterdam to London on May 17, 1920. Koninklijke Luchtvaart Maatschappij N.V. doing business as KLM Royal Dutch Airlines is the national airline of the Netherlands and is part of Air France-KLM. KLM’s headquarters are in Amstelveen near its hub at Amsterdam Airport Schiphol. KLM operates worldwide scheduled passenger and cargo services to more than 90 destinations.