Peninsula Airways, operating as PenAir, is an U.S. based regional airline headquartered in Anchorage, Alaska. It is Alaska's second largest commuter airline operating an extensive scheduled passenger and cargo service, as well as charter and medevac services, and also operates scheduled passenger service in several regions of the continental U.S. Its main base is Ted Stevens Anchorage International Airport, with other hubs located at Portland International Airport in Oregon , Boston Logan International Airport in Massachusetts and Denver International Airport in Colorado. PenAir currently has a code sharing agreement in place with Alaska Airlines with its flights operated in the state of Alaska as well as all of its flights in the lower 48 states appearing in the Alaska Airlines system timetable. - Source: Wikipedia
