Traveling with a pet through the Southwest Terminal PHX is easy and convenient. Located in Terminal 4 at Phoenix Sky Harbor Airport, Southwest Airlines offers pet-friendly policies and access to clean, well-maintained pet relief areas both inside and outside the terminal. Whether you're flying with a small dog or cat, Southwest makes check-in simple with clear pet travel guidelines. The Southwest Terminal PHX ensures a stress-free experience for pet owners, with nearby pet relief zones, helpful staff, and quick access to transportation options after landing.