Superman: Ultimate Flight is a roller coaster in Orleans Place at Six Flags Great America. While it's not the best, it is also recommended. The minimum height to ride is 54 inches.
A one of a kind B&M flying coaster which tilts you head-first before rolling you through a series of twists and turns. This ride is most popular for its breathtaking pretzel loop, but falls short afterwards save a gravity roll near the end.