Originally Posted by
Toshbaf
Reasons to do it later:
1. Want to redeem a VX trip where the usual airfare is low. Points needed could be less than redeeming an AS award. On the other hand, expensive domestic awards (based on airfare) makes AS a better redemption method.
2. Want to redeem using VX partners that don't participate in AS.
3. Want to redeem a VX trip in MCS, which is not currently available via AS.