Nah cant see that one,! but Air Tran do have a couple of old 737-200`s the rest of the fleet are old DC-9`s and new B717`s.
From AirTran's web site:
What type of fleet does AirTran Airways use?
AirTran Airways utilizes Boeing 717 and McDonnell Douglas DC-9 jets
Again: SWA would NOT buy them, they do not fly B737.