Terminals · Phoenix
Phoenix Sky Harbor International Airport (PHX) has two terminals: Terminals 3 and 4. Here's which terminal your airline departs from, the PHX terminal map, how to get between terminals, and where security is — so you walk in knowing exactly where to go.

Phoenix Sky Harbor International Airport (PHX) has two terminals: Terminals 3 and 4. Which terminal you use comes down to your airline — check the list below before you leave home.
Flying out of PHX? Here's the terminal each airline departs from. Tap an airline for its gates, check-in hall, and whether it recently moved terminals.
Airline → terminal assignments verified June 27, 2026against the airport's own sources. Airlines do move terminals — we date every change.
PHX · Terminal 3
Airlines here
Each PHX terminal has its own TSA checkpoint, and the line can be short in one terminal and long in the next. Before you pick when to leave, check wait times by terminal and head to the fastest open lane. Not sure how long to budget? How long does airport security really take breaks it down by the hour.
PHX Sky Train — Free 24/7 automated train connecting Terminal 3, Terminal 4, East Economy parking, the 44th Street Valley Metro light-rail station, and the Rental Car Center. Terminals 3 and 4 are also linked by a pedestrian walkway, so terminal-to-terminal transfers can be done on foot or via the Sky Train.
PHX suggests at least About 25 minutes (American Airlines' published minimum connecting time at PHX); allow more if changing terminals. for a domestic connection. PHX does not publish a single airport-wide MCT; values are airline-specific. American's domestic minimum at PHX is widely cited as 25 minutes. International-to-domestic connections require re-clearing security after customs at Terminal 4, so allow substantially longer (typically 1.5+ hours). Give yourself more if you change terminals. See our full guide to minimum connection time.
Lounges, dining, and shops live inside each terminal past security — handy once you're through, but they shouldn't change when you leave home. Browsing other airports? TSA wait times by airport lists them all.
Phoenix Sky Harbor International Airport (PHX) has two terminals: Terminals 3 and 4. Which one you use depends on your airline, so check the terminal list above before you head out.
It depends on the airline. Delta departs from Terminal 3; American departs from Terminal 4; United departs from Terminal 3. Tap your airline in the list above for gates, check-in, and whether it recently moved (assignments verified June 27, 2026).
PHX Sky Train: Free 24/7 automated train connecting Terminal 3, Terminal 4, East Economy parking, the 44th Street Valley Metro light-rail station, and the Rental Car Center. Terminals 3 and 4 are also linked by a pedestrian walkway, so terminal-to-terminal transfers can be done on foot or via the Sky Train.
Each PHX terminal has its own TSA checkpoint, and the wait can differ a lot from one terminal to the next. Check PHX wait times by terminal and head to the fastest open lane.
PHX suggests at least About 25 minutes (American Airlines' published minimum connecting time at PHX); allow more if changing terminals. for a domestic connection. PHX does not publish a single airport-wide MCT; values are airline-specific. American's domestic minimum at PHX is widely cited as 25 minutes. International-to-domestic connections require re-clearing security after customs at Terminal 4, so allow substantially longer (typically 1.5+ hours). Add more if you change terminals.
You know your terminal. Now get the exact minute to walk out your door — built from today's live PHX security wait and your drive.
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