In later years, West Coast Airlines operated scheduled passenger flights from Boeing Field to Idaho, Oregon, Washington state, northern California, western Montana, northern Utah, and Calgary in Alberta. The airline's April 1968 timetable lists nonstop service to Aberdeen, WA/Hoquiam, WA, Boise, ID, Olympia, WA, Pasco, WA, Portland, OR, Salt Lake City, UT, Spokane, WA, Tacoma, WA, Wenatchee, WA and Yakima, WA operated with primarily with Fairchild F-27 propjets as well as Douglas DC-3 and Piper Navajo prop aircraft but also with Douglas DC-9-10 jets to Portland, Boise and Salt Lake City . West Coast, which had its headquarters in the Seattle area and operated all of its flights from Boeing Field, merged with Pacific Air Lines and Bonanza Air Lines to form Air West (later renamed Hughes Airwest following its acquisition by Howard Hughes in 1970) which continued serving Boeing Field until it moved its passenger service to Seattle-Tacoma International Airport (SEA) in 1971. Before the move to SEA, in January 1971 Hughes Airwest was operating nonstop McDonnell Douglas DC-9-30 jet service from the airport to Portland, Spokane and Pasco as well as direct, no change of plane DC-9-30 service to Boise, Calgary, Salt Lake City, Las Vegas, Twin Falls, Lewiston, Phoenix and Tucson, and was also operating Fairchild F-27 turboprop service from BFI at this time to Astoria, Bend, Ephrata, Hoquiam, Klamath Falls, Lewiston, Olympia, Pasco, Portland, Pullman, Sacramento, Spokane, Tacoma, Walla Walla, Wenatchee and Yakima.