Originally Posted by
notquiteaff
But the OP
paid AS, and AS contracted with AA to buy miles for the OP in exchange for some of the cash paid for the ticket. Follow the money!
(that doesn’t mean that there isn’t a good chance that AA or its systems are the root cause of the problem).
But AS has no power to add AAdvantage miles to anyone's account without AA's cooperation. AA, by contrast,
can add miles to an AAdvantage account even without AS's cooperation.