Originally Posted by
DeltaFlyingProf
I believe the AA upgrade windows are 100 hours for EXP and 72 hours for PRO, as indicated on the linked chart.
My understanding is that AS and AA are each grouping both their Emerald elite tiers above the respective partner Emerald elites for upgrades. For example, AS 100K + 75K > AA EXP on AS, and AA EXP + PRO > AS 100K on AA. Of course, we won't know for sure until 100K rolls out.