Sky Harbor International Airport (PHX) or Phoenix Sky Harbor International Airport (IATA: PHX, ICAO: KPHX, FAA LID: PHX) is a joint civil-military public airport located 3 miles (4.8 km) southeast of the central business district of the city of Phoenix, in Maricopa County, Arizona, United States. It is Arizona's largest and busiest airport, and the largest commercial airport in the American Southwest. In 2011, the airport served 40,591,948 passengers, making it the ninth busiest in the United States in terms of passengers and one of the top 15 busiest airports in the World with a 90 million dollar daily economic impact.
On a daily basis the airport handles about 1,266 aircraft that arrive and depart, along with 111,210 passengers daily, and more than 828 tons of cargo handled. Federal Aviation Administration (FAA) records show the airport had 19,225,050 commercial passenger boardings (enplanements) in calendar year 2010 and 20,213,897 enplanements in 2011. The airport is the primary regional hub and gateway for Mexican and Hawaiian departures for Tempe-based US Airways and is a focus city for Southwest Airlines. US Airways is the airport's largest carrier.