Where is Southwest Airlines' corporate headquarters located?

Southwest Airlines' corporate headquarters is located in Dallas, Texas. This choice is correct because Dallas serves as both a significant hub for the airline's operations and a central point for its management and strategic decision-making. The choice reflects the airline's roots, as Southwest was founded in Texas and has maintained a strong presence there over the years. The corporate culture and operational strategies are closely tied to the community and economy of Dallas.

The other locations mentioned do not serve as the headquarters for Southwest Airlines. Los Angeles, Chicago, and Atlanta may be significant cities for air travel and have other airline operations, but they are not tied to Southwest's corporate structure and history in the way that Dallas is.