Phoenix Sky Harbor International Airport (PHX), often referred to as "America's Friendliest Airport," serves as a significant hub for Southwest Airlines. The airline's presence in Terminal 4 has evolved over the years, culminating in the opening of the new South 1 (S1) concourse in June 2022. This expansion not only enhances Southwest's operational capacity but also introduces a range of passenger amenities, sustainability features, and artistic installations.​ https://airlinesofficesworld.com/southwest-airlines-phx-terminal-phoenix-sky-harbor-international-airport/

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If you’re flying Spirit Airlines DFW, you won’t find luxury dining in Terminal E, but Spirit Airlines DFW passengers have solid options to satisfy hunger and grab essentials. Spirit Airlines DFW travelers often choose Whataburger for a quick, satisfying burger or Pappasito’s Cantina for a sit‑down Tex‑Mex meal before boarding Spirit Airlines DFW flights. Coffee lovers flying Spirit Airlines DFW can count on Starbucks to fuel up, while Hudson News and convenience shops cater to last‑minute needs for Spirit Airlines DFW journeys with snacks, drinks, and reading material. https://airportsterminalhub.com/airlines/spirit-airlines/spirit-airlines-dallas-fort-worth-international-airport-dfw-terminal/