from web site
Spirit Airlines PHX Terminal provides a convenient and effective flying experience and is based out of Phoenix Sky Harbor International Airport's Terminal 3. The terminal offers free Wi-Fi, retail stores, and modest eating options. Passengers can check in at counters or self-service kiosks. There are charging stations in the seating sections, making waiting more comfortable. Spirit Airlines' no-frills approach to air travel is reflected in Terminal 3, which serves budget-conscious passengers effectively despite lacking lounges or luxury services.