.

Delta Air Lines, Delta Connection & Song domestic routes
1. from Atlanta hub
2. from Cincinnati/N.Kentucky hub
3. from Salt Lake City hub
4. from New York JFK & La Guardia
5. from Orlando & Boston
6. from Ft Lauderdale, Tampa & Los Angeles

Delta Connection domestic & international routes
7.  ASA Atlantic Southeast Airlines (from all 3 hubs)
8.  Chautauqua Airlines (from Florida & Columbus)
9.  Comair (from Cincinnati)
10. Comair (destinations map)
11. SkyWest (from Salt Lake City)
12. Mesa Airlines (from Orlando)
13. Shuttle America (from Salt Lake City)

Delta Air Lines & Delta Connection international routes
14. Canada
15. Mexico, Central America & the Caribbean

Delta Air Lines international routes
16. South America
17. Europe
18. Asia
19. Africa

Song by Delta (ceased Apr 2006)
20. Domestic network
21. International network

Delta Airlines major codeshare partners in North America
22. Northwest Airlines via Detroit, Minneapolis & Memphis
23. Continental Airlines via Houston, Newark & Cleveland
24. Alaska Airlines via Seattle to Alaska
25. Aeroméxico for trans-border & Mexico domestic services
26. Air Jamaica for flights between USA & Jamaica

Delta Air Lines major codeshare partners worldwide
27. Air France via Paris to Europe, Middle East & Africa
28. Alitalia to Europe via Milan/Rome & Italy domestic
29. Korean Air transpacific & via Seoul to Japan, China & SE Asia
30. Avianca via Bogota to Colombia domestic
31. CSA Czech Airlines via Prague to Eastern Europe