Originally Posted by Trvlr
So, is this true--can I not apply for an electronic upgrade on my AA-operated flights? What happens if I ask using the specific AA record locator for the reservation?
Yes, it's true. Purchasing the AS codeshare - even though the flight is on AA metal - precludes you from submitting a sticker request (even with the AA record locator). You might be able to get yourself on the airport upgrade list, though.
Mike