Originally Posted by
drsmithy
As I think another poster mentioned, if you are going to be in the the US and need some SCs, there's no better way to do it than K/YUPP fares ("Instant Upgrades" on aa.com). ...
K/YUPP's are good for earning with QFF; however given the OP is planning an AONE4 they get booked into A class in any case.