(CNN) — In the late 1970s, the US government deregulated the airline industry, removing federal control over fares, routes and the entry of new airlines into the market. As a result, a flurry of new airlines appeared from the 1980s onward, and some of them were particularly unusual. Let’s take a look.Dog flight: Pet Airways’ Alyse Tognotti prepares a canine passenger for his trip.Dave Weaver/APFounded in 2009 in Delray Beach, Florida, Pet Airways was an airline exclusively dedicated to pets such as cats and dogs — or pawsengers, as they called them.
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