Its interesting that O&D traffic to Seoul has surged to 188,207 becoming the top international O&D market to/from Atlanta.
1. Seoul-Incheon, South Korea
30,091 (2003 passenger total)
188,207 (2011 passenger total)
+525.5% (change 2003-2011)
2. London, United Kingdom
190,669
185,587
-2.7%
3. Toronto, Canada
115,484
177,215
+53.5%
4. Cancun, Mexico
74,526
165,260
+121.7%
5. Montego Bay, Jamaica
77,368
97,117
+25.5%
http://www.brookings.edu/research/interactives/aviation