Phoenix Sky Harbor International Airport (PHX) — The Complete Master Guide 2026
PHX sits 3 miles east of downtown Phoenix — one of the most city-central major US airports, with 51.62 million passengers in 2025. Two terminals: Terminal 4 (92 gates, the workhorse — American Airlines, Southwest Airlines, all international, ~85% of traffic) and Terminal 3 (27 gates — Alaska, Frontier, most domestic). American Airlines is the dominant carrier with 40.5% market share; Southwest holds 33.3% as a major operating base. Together…