Seattle Airport

Seattle–Tacoma International Airport is the largest airport in the Pacific Northwest region of the United States. It is in the eponymous city of SeaTac, Washington, about twelve miles south of downtown Seattle and is the primary airport for the Seattle metropolitan area.The airport has flights to cities throughout North America, Europe, the Middle East and Asia. It is the main hub for Alaska Airlines and its regional subsidiary Horizon Air, whose headquarters are near the airport. It is a hub and international gateway to Asia and Europe for Delta Air Lines, which has expanded at Sea-Tac since 2011.In 2015 the airport served over 42 million passengers. It is categorized in the National Plan of Integrated Airport Systems for 2015-2019 as a primary commercial service airport based on 16,121,123 enplanements in 2012. The airport is the largest generator of vehicle trips in the state, and its 13,000-car parking garage is North America's largest parking structure under one roof.HistoryThe airport was built by the Port of Seattle in 1944 after the U.S. military took control of Boeing Field in World War II. The Port received $1 million from the Civil Aeronautics Administration to build the airport and $100,000 from the City of Tacoma. The first scheduled airline flights were Northwest and Trans-Canada in 1947; Western and United moved from Boeing Field in the next couple of years, and Pan Am moved in 1952–53, but West Coast and successor Hughes Air West stayed at Boeing Field until 1971.