what terminal is southwest at sky harbor ? Southwest Airlines operates out of Terminal 4 at Phoenix Sky Harbor International Airport (PHX). Terminal 4 is the largest terminal at the airport and serves as the main hub for Southwest Airlines' operations at PHX. It offers a wide range of facilities and amenities for travelers, including various dining options, retail stores, and passenger services. Southwest Airlines has multiple gates located within Terminal 4, providing convenient access for passengers flying with the airline. Passengers can easily navigate within the terminal using signage and information displays to find their designated gate and enjoy a smooth travel experience. |