Originally Posted by
anabolism
Keep in mind that you earn EQD and EQM on partner flights credited to AA based on distance flown. It doesn't matter who issued the ticket (AA or BA or QR or RJ or ...)
You can see the exact formulas for each partner carrier by going to the
AA partner page and clicking the specific partner airline.
I will try to work my way through the AA maze of crediting EQD.
Thanks!