When it comes to flying cars, The Jetsons got a few things wrong. The latest versions don’t have cool bubble tops, for one thing, and can’t fold up into a briefcase, origami-like, once you reach your office. But today’s electric air taxis, which could be soaring high above U.S. cityscapes as soon as 2023, have their own special charms. These fliers promise speeds of 100 to 180 miles per hour, which means that your two-hour drive to work in gridlocked traffic could become closer to 20 minutes. Most are fully electric, have one to four seats, and boast of vertical takeoff and landing (VTOL) capabilities that eliminate the need for runways. In your commute of the future, you might hail one of these with an app—think Uber, but for the…