If you're flying through Hartsfield-Jackson Atlanta International Airport (ATL), you're not alone—literally. ATL is the busiest airport in the world, serving over 100 million passengers annually. While this global hub is a marvel of transportation, the ... moreIf you're flying through Hartsfield-Jackson Atlanta International Airport (ATL), you're not alone—literally. ATL is the busiest airport in the world, serving over 100 million passengers annually. While this global hub is a marvel of transportation, the sheer volume of travelers means one thing: long TSA lines. Understanding and staying ahead of atl tsa wait times can make all the difference in ensuring your travel experience is smooth and stress-free.