Some people have an intense fear of flying, but for most travelers, the most terrifying part of the whole experience is what a plane trip does to your wallet. A century after the dawn of flight, why is it still so darn expensive? Wendover Productions released this entertaining, attractive video breakdown that accounts for the hundreds of different expenses that go into getting an airliner off the tarmac. The fact that commercial planes usually only get a dismal 0.67 miles per gallon is far from the only factor, or even the biggest factor, in why boarding pass so pricey.

Sources: Wendover Productions