 During the interview, Miller also revealed that she pretended the bunny was a cat and smuggled it on the plane back to New York from Utah, where she was filming. Well, some airline carriers allow rabbits to travel on airplanes, but not all of them do. Even airlines that permit cats and dogs, they don't necessarily allow rabbits. There are five main airlines in America that permit rabbit passengers, and they are Delta, United, American, Alaska, and Southwest.