Atlanta’s airport isn’t just busy — it’s basically Georgia’s second-largest city. It has its own zip code, fire and police departments and even a dog park. Every day, 286,000 passengers move through this hub, thanks to the dominance of Delta Air Lines and the city’s centralized access to at least 80% of the U.S. population within 2.5 hours. From the tallest air traffic control tower in North America to the self-described busiest Chick-fil-A on Earth, it takes an army to keep 2,000 flights runnin