Frontier Airlines PHX Terminal

Indeed, Terminals 3 and 4 at Frontier Airlines PHX Terminal are connected by a short, air-conditioned walkway. Passengers can easily transit between the two terminals without having to leave the building. Signage throughout the airport directs travelers along the route, ensuring a smooth changeover. Frontier Airlines PHX Terminal

United Airlines ORD Terminal

To locate your United flight’s terminal at O’Hare, check your flight confirmation email, go to the United Airlines ORD Terminal website, or use the United mobile app. You can also search up real-time flight information on the O’Hare Airport website or check airport screens upon arrival. United Airlines ORD Terminal