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| Founded | October 29, 1918 | ||||||
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| Commenced operations | August 7, 1920 | ||||||
| Ceased operations | 1951 (merged with DNL and SILA to form SAS) | ||||||
Det Danske Luftfartselskab A/S or DDL, trading in English as Danish Air Lines, was Denmark's national airline from 1918 until it merged to create Scandinavian Airlines System (SAS) in 1951. DDL was established on 29 October 1918, but started its first scheduled route on 7 August 1920.