After many many years, Southwest is finally starting service to and from Atlanta, Georgia. With the acquisition of AirTran it was expected, but just a matter of time.
Starting February 12, 2012, passengers will be able to fly to/from Atlanta via BWI, Chicago Midway, Denver, Austin, and Houston Hobby. While right now there probably are not as many direct flight as passengers would like to see, I speculate as time goes on additional flights will be added enhancing the flight routes.
Additionally, even with a layover, there currently are no options from Atlanta to a decent amount of cities, including the entire state of Florida. The map below indicates all flight options.
Since Southwest is currently booking out till March 9, 2012, you have a three week window to book any flights to and from Atlanta.
This information was just announced within the past 30 minutes or so. As additional information is released regarding future plans with AirTran and enhanced flight options, I will be sure to let you know.
I am sure all the Atlanta folks out there are pretty excited!