SeaWorld Penguins Stretch Their Legs on Flight from San Francisco (Video) CheapOair Staff March 17, 2011 Videos It turns out Penguins can fly. At least that was the case recently aboard a Southwest Airlines flight. While returning from a science convention in San Francisco, a few penguins from SeaWorld San Diego were allowed to stretch their “happy feet” much to the delight of fellow passengers. No word on what in-flight meals the little guys orders, but we’re gonna go ahead and assume it was the fish.