North Pacific Airlines North Pacific Airlines North Pacific Airlines was a commuter air carrier formed in 1987 which operated scheduled passenger service on behalf United Airlines via a code sharing agreement as an United Express carrier initially from the Seattle–Tacoma International Airport (SEA) to three destinations in Washington state and also to Portland, Oregon. By 1989, the airline had expanded its route network and was serving fifteen destinations located in Idaho, Montana, Oregon and Washington state (see destination list below). In 1991, the airline, which was owned by WestAir Holding, Inc., was merged with WestAir Commuter Airlines which operated flights in California and
Seaboard Air Line Railroad Bay Line. Due to the decline of business with the rise of interstate highways and air travel, the steamship company was liquidated in 1962. Following is a partial list of the many named passenger trains that Seaboard operated during the first half of the 20th century, some of which were continued by successors Seaboard Coast Line (SCL) and Amtrak. Trains originating in New York were handled by the Pennsylvania Railroad from New York to Washington; by the Richmond, Fredericksburg and Potomac Railroad from Washington to Richmond; and by Seaboard from Richmond to points south. Prior to the completion of Seaboard's