What Terminal is Delta Airlines at PHX? Phoenix Sky Harbor International Airport's Terminal 3 is home to Delta Airlines (PHX). From this cutting-edge terminal, Delta, which is renowned for its effective service and dedication to passenger happiness, offers a seamless travel experience. Dining, shopping, and cozy seating areas are just a few of the many facilities available at Terminal 3, officially called the John S. McCain III Terminal. Convenient boarding procedures and efficient check-in stations are advantages for Delta travelers. Travelers are guaranteed a hassle-free experience at Terminal 3, which is conveniently accessible by car, taxi, or public transportation. Delta's operations at PHX provide comfort and dependability whether traveling or arriving.