Phoenix Sky Harbor International Airport (IATA: PHX, ICAO: KPHX, FAA LID: PHX) is a civil-military public airport 3 miles (4.8 km) southeast of downtown Phoenix, in Maricopa County, Arizona. It is Arizona's largest and busiest airport, and the largest commercial airport in the American Southwest.
In 2012, the airport served 40,448,932 passengers, making it one of the top 10 busiest in the United States by passenger count. It handles more than 1,200 aircraft operations a day, 100,000 passengers and more than 800 tons of cargo. Federal Aviation Administration (FAA) records show the airport had 20,169,926 commercial passenger boardings (enplanements) in calendar year 2012 and 20,211,799 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.