Juneau International Airport is a city-owned, public-use airport and seaplane base located seven nautical miles (8 mi, 13 km) northwest of the central business district of Juneau, a city and borough in the U.S. state of Alaska that has no direct road access to the outside world. The airport serves as a regional hub for all air travel, from bush carriers to major U.S. air carriers such as Alaska Airlines. The National Plan of Integrated Airport Systems for 2015-2019 categorized it as a primary commercial service (nonhub) airport based on 353,048 enplanements (boardings) in 2012. As per the Federal Aviation Administration, this airport had 378,741 passenger enplanements in calendar year 2008, 337,038 in 2009, and 344,057 in 2010. History During World War II, Juneau Airport was used by the United States Army Air Forces as a transport link between the combat bases being established in the Aleutians and airfields in the mainland United States. It was also used by Air Transport Command and facilitated the transport of Lend-Lease aircraft to the Soviet Union via Nome (Marks Army Airfield). Historical airline service Pan American World Airways (Pan Am) was one of the first major airlines to serve Juneau. In 1947, Pan Am was operating daily Douglas DC-4 propliner service to Seattle via a stop at the Annette Island Airport, which served Ketchikan at the time and also flew DC-4 service twice a week nonstop to Whitehorse in the Yukon Territory of Canada with continuing, no change of plane service to Fairbanks, Galena and Nome in Alaska. Pan Am later operated Douglas DC-6B and Boeing 377 Stratocruiser aircraft into the airport. During the 1950s, Pacific Northern Airlines served the airport with Douglas DC-4 and Lockheed Constellation propliners with daily service to Seattle via a stop at Annette Island as well as nonstop to Anchorage and Yakutat and direct to Cordova in Alaska. The jet age arrived in Juneau during the early 1960s. In 1963, Pan Am was operating daily Boeing 707 jetliner flights to Seattle via a stop at Annette Island. By 1965, Pacific Northern was operating Boeing 720 jets nonstop to Seattle, Anchorage and Annette Island. In 1967, Pacific Northern was acquired by and merged into Western Airlines, which continued to operate jet service into the airport. By 1968, Western was operating daily nonstop Boeing 720B jet service to Seattle, Anchorage and Annette Island with one stop direct service to Los