World Travel Airlines is a Fictional airline used for the purpose of Flight Simulator X. Of course as being in a flight simulator, nothing is really known about the aircraft besides its fleet. The only known thing is that it was a German airline, despite that it is based on Trans World Airlines. There is 3 stages of Livery seen in World Travel air.
There is many airlines in WTA, changing over the years from 747s in 2004 and 737s and A321s later.