The two plans show Southwest Airport as it was in 1980 and after being redeveloped in 2020.
Overall, the number of gates was increased significantly, while the main building generally remains unchanged apart from the addition of more up-to-date facilities.
In 1980, the airport had very few facilities for departing passengers, with only a coffee shop on the right-hand side, opposite a check-in counter. There were no facilities beyond passport control and security, and passengers had to walk to the eight departure gates. Arriving passengers had no amenities at all.
Following redevelopment, both arriving and departing visitors are better catered for, beginning with double the number of entrances and exits. In the departures area, the coffee shop has been moved to the opposite side, closer to the front, and the check-in desk has taken its place, making room for a new baggage drop counter. Although the security area has not changed, beyond this section, passengers are now able to shop and can use the new sky train service to reach the expanded gate area, with ten additional gates. Arriving passengers also now have access to a coffee shop and a currency exchange. The only structural change to the main building is a small annexe in the front right-hand corner, where passengers can hire a car.