2016 Airstream Flying Cloud 23D The Flying Cloud has been one of Airstream’s most popular travel trailers for decades. With more floor plans available than any other model, it’s easy to see why: a fit for families, long-term travelers, or weekend wanderers, there’s a great chance you can find a Flying Cloud that’s perfect for you. Practical and efficient, the Flying Cloud invites you inside with the flair of modern design. Compared to its “box-shaped” competitors, it’ll last longer, require less maintenance, offer better stability when towing, and cost less at the fuel pump.