" The way Leo figured it, he spent more time crashing than he did flying. If there were a rewards card for frequent crashers, he’d be, like, double platinum level. Leo couldn’t fly. He had a couple of minutes at most before he’d hit the water and go ker-splat. He decided he didn’t like that ending to the Epic Ballad of Leo. "

― Rick Riordan , The House of Hades (The Heroes of Olympus, #4)