Phoenix Sky Harbor International Airport (IATA: PHX, ICAO: KPHX, FAA LID: PHX) is a civil-military public airport 3 miles (2.6 nmi; 4.8 km) southeast of downtown Phoenix, in Maricopa County, Arizona, United States. It is Arizona's largest and busiest airport, and among the largest commercial airports in the United States. In 2018, PHX served 44,943,686 passengers, making it the forty-fourth busiest airport in the world.
The airport serves as the sixth-largest hub for American Airlines ( former hub of US Airways and America West Airlines ) with over 250 daily departures to 95 destinations in 5 countries. American carries nearly 46% of all PHX passengers as of December 2017 (more than 20 million passengers) and employs nearly 9,500 people, making it the airport's largest carrier. The airport also serves as one of the largest operating bases for Southwest Airlines with 188 daily departures to 53 cities across the United States.
The airport is also home to the 161st Air Refueling Wing (161 ARW), an Air Mobility Command (AMC)-gained unit of the Arizona Air National Guard. The military enclave is known as the Goldwater Air National Guard Base. One of two flying units in the Arizona ANG, the 161 ARW currently flies the KC-135R Stratotanker aircraft. In addition to its domestic role as a National Guard unit, answering to the Governor of Arizona, the 161 ARW also performs both a stateside and overseas role as a USAF organization, supporting air refueling and air mobility missions worldwide.
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