Along with jet packs and food in pill form, flying cars were a staple of 20th-Century futurism, which envisioned a family flying car in every driveway. Soaring above the roads on the way to work, school and the high-tech shopping center, the flying car was intended to replace regular cars for everyday use.
The reason you never see one — the reason you don’t have one — is that a “flying car” is a horrible idea.