Czech Airlines
Updated: Wikipedia source
Czech Airlines (abbreviation: ČSA, Czech: České aerolinie, a .) is a Czech airline brand and holding company. Established in 1923 it was the world's fifth oldest operating airline, and part of the privately owned Smartwings Group since 2017, before filling for bankruptcy, then ceasing air operations and being transformed into the holding's parent company on 26 October 2024. In December 2025, it was announced the Turkish low-cost airline, Pegasus Airlines has signed an agreement to acquire the holding in a deal worth €154 million. As an airline, between 1923 and 2024, it operated as the flag carrier of Czechoslovakia and subsequently the Czech Republic. Its hub was Václav Havel Airport Prague. It was the first airline in the world to fly regular jet-only routes (between Prague and Moscow). The airline ran a frequent flyer programme called "OK Plus" about the airline's International Air Transport Association designation, as well as the term of approval; OK also featured prominently in its previous livery, and was the prefix of Czech aircraft registrations. From 2000, it was a member of the SkyTeam alliance. The last scheduled flight of Czech Airlines was flight OK767 on October 26, 2024 from Paris Charles de Gaulle Airport to Václav Havel Airport Prague, operated by an Airbus A320-214 registered OK-IOO.