Southwest Airlines operates at Houston's William P. Hobby Airport (HOU). It's one of their key hubs, offering flights to various destinations across the United States. The airline has a strong presence at this airport, providing travelers with a range of domestic flight options and often known for its friendly service and reasonable fares. If you're flying through Houston and opt for Southwest, Hobby Airport is where you'll likely experience their services. https://www.airlinesmap.com/so....uthwest-airlines-wil