Thomas Cook Airlines, formerly known as JMC Air, is a British charter airline based in Manchester, United Kingdom. It is part of the Thomas Cook Group and operates flights to various holiday destinations around the world. The airline was established in 1999 and has a fleet of around 40 aircraft. It offers both scheduled and charter flights and provides services to popular vacation destinations such as Spain, Greece, Turkey, and the Caribbean. Thomas Cook Airlines ceased operations in September 2019 following the collapse of its parent company, Thomas Cook Group.