Originally Posted by
Alex_I
Correction: AA EXP has access to Flagship when flying internationally regardless the class of service. Even Y is O.K.
You can also access Admirals Club and/or Flagship when flying certain transcons in J or F:
http://www.aa.com/i18n/utility/trans-con-access.jsp
You got me on the EXP access, but business class doesn't get you access to the Flagship Lounge; only first.