KLM, legally Koninklijke Luchtvaart Maatschappij N.V. (Royal Dutch Airlines) was founded on 7 October, 1919 to serve the Netherlands and its colonies. KLM is today the oldest airline still operating under its original name. KLM has been part of the AIR FRANCE KLM  group since the merger in 2004.

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KLM is the core of the KLM Group, which further includes the wholly-owned subsidiaries KLM Cityhopper, transavia.com and Martinair.

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KLM operates scheduled passenger and cargo services to approximately 130 destinations. Passenger aircraft are configured in a three-class layout, including Business Class, Economy Comfort, Economy Class. KLM has a reputation as one of the world's safest airlines. Its frequent-flyer program is called Flying Blue, and has codeshare agreements with other airlines—both members and non-members of SkyTeam.