Joon's CEO Jean-Michel Mathieu (C) poses with staff on a roof in Paris on September 25, 2017 during the launch of Joon, the new low-cost airline subsidiary of Air France.Joon's activities will begin on December 1, 2017 with intra-European flights and long-haul flights during the summer of 2018. / AFP PHOTO / Lionel BONAVENTURE (Photo credit should read LIONEL BON
Joon's CEO Jean-Michel Mathieu (C) poses with staff on a roof in Paris on September 25, 2017 during the launching of Joon, the new lower-cost airline subsidiary of Air France.Joon's activities will start on December 1, 2017 with intra-Europe flights and long haul flights during summer 2018. / AFP PHOTO / Lionel BONAVENTURE (Photo credit should read LIONEL BONAVENTURE/AFP/Getty Images)