DENVER AP – A new airline for pets is taking off with weekly flights to five airports across the country. Beginning July 14, Pet Airways is flying pets to and from Baltimore/Washington International; Midway in Chicago; Rocky Mountain Airport in Broomfield, Colo., near Denver; Hawthorne Municipal Airport near Los Angeles; and Republic Airport on Long Island serving the New York City metro area.

The airline allows cats and dogs to travel in carriers in the main cabin of the plane, rather...