Originally Posted by
asnovici
No, its AC either way. MEX is North America in the AA world.
AC or non-Flagship OW lounges (Alaska, Qantas, BA, etc), actually.
MEX is still considered an exception to AAdvantage North America OW lounge access rules. While Flagship lounges now exclude MEX, you can still access other non-Flagship OW lounges with your class of service or AAdvantage status.
From
https://www.oneworld.com/airport-lounges
"American Airlines AAdvantage members, regardless of their tier status or class of travel, are not eligible for access to oneworld member airline lounge when travelling solely on North American flights between the U.S., Canada, Mexico (except Mexico City), the Bahamas, Bermuda and the Caribbean."