Originally Posted by
Stripe
AAnytime used to mean "anytime" and would give you last seat availability. But AA
revamped its award calendar back in April and "AAnytime" is now effectively just a marketing name. I'm not sure they have said so officially but it appears that last seat availability may have gone away.
Even if true, it wouldn't apply to the OP since the flight is Y0 in EF. There is no last seat available in coach. There is in F it would appear, but OP wants to pay Y.