Quote from aa.com
"COMING SOON TO oneworld.
As a oneworld member elect, American Airlines looks forward to airberlin joining the oneworld family of carriers in 2012-just weeks before the opening of the new Berlin Brandenburg International Airport, a major new hub for Europe- making the oneworld network even stronger."
http://www.aa.com/viewPromotionDetai...itle=airberlin earn and redeem AAdvantage miles&reportedPosition=3&url=undefined&_locale=en_ US&repositoryName=undefined&repositoryId=undefine d