Sky Harbor

Phoenix Sky Harbor International Airport is a civil-military public international airport 3 miles east of downtown Phoenix, in Maricopa County, Arizona, United States. It is Arizona's largest and busiest airport. Among the largest commercial airports in the United States, PHX was the 11th-busiest airport in the United States in terms of passenger boardings and 38th-busiest in the world in 2025. The airport serves as a hub for American Airlines and a base for Frontier Airlines and Southwest Airlines.