Just check my account and my miles from Friday (YVR-SLC-LAX) have just posted. I find it amazing that my DL miles seem to post faster than my AS miles. I've had AS miles take up to 7 days to post.
Activity Date Activity Type Flight Miles Bonus Total
02/12/2010 DELTA AIRLINES
SLC LAX 4449 590 295 885
02/12/2010 DELTA AIRLINES
YVR SLC 4671 798 399 1,197