Originally Posted by
inasmuchas
AA's strength is in the value of redemptions. On OW partners, a return European redemption in Y is 10,000 miles, whilst J is 20,000 miles.
That's not correct, you are quoting mileage requirements for a one-way award. A return European redemption on AA is 20k in Y and 40k in J.
https://www.aa.com/i18n/disclaimers/...rtnerChart.jsp