Spirit Airlines PHX terminal provides a simple and effective experience. The personnel is generally helpful, and the check-in procedure is speedy. Although it can get crowded during peak hours, the terminal itself is clean. Although there are some food and drink alternatives, they are not very many. The terminal performs a good job if you want a simple travel experience, but don't expect many extra comforts or conveniences. for more: https://www.terminalfind.com/spirit-airlines/spirit-airlines-phx-terminal-phoenix-sky-harbor-international-airport/