Thomas Cook Group Airlines Limited was an airline holding company of the defunct British Thomas Cook Group. The airlines operated as a single operating segment of the Thomas Cook Group to allow aircraft to be used when and where they were needed. There were five members of the airline division at the time of the airline’s closure, consisting of Condor, Thomas Cook Airlines(UK), Thomas Cook Airlines Balearics, Thomas Cook Airlines Scandinavia (rebranded as Sunclass Airlines), and Thomas Cook Aviation. The airline operated with a total of 105 aircraft based in the United Kingdom, Denmark and Germany.