Houston Hobby Airport is located seven miles from the downtown area of Houston. The airport is the largest hub for Southwest Airlines. Houston Hobby Airport is located near the Astrodome, NASA, and many different shopping centers. A four-level garage is available for parking, with spots available for 4,000 vehicles. In order to go through the Houston Hobby Airport security checkpoint, travelers will need photo identification. You should plan to arrive at the airport 90 minutes prior to the time of your flight departure in order to pass security and board the plane. Houston Hobby Airport offers only domestic flights. The airport consists of one terminal with 26 different gates. This makes traveling through the airport fast and easy, with most gates being within a short walk of each other.