Let's get the pilots and other unionized employees onboard with revised wage agreements so that there's a little knowledge about the financial future.
And see how traffic holds up and what the economic situation is.
Then we can start speculating about further aircraft purchases.
Airwhiners.net has an occasional gem, but 90% of those posters are even more ignorant than a few of the posters here.
Witness
this thread where up until now
thirty-five posters have still not answered the question correctly and
none have pointed out that the question is easily answered by looking at a printed Delta schedule, available at most US airports.