Originally Posted by chtiet
Interesting, I recently flew MIA-SCL and EZE-MIA on AA, and the flight crews were based out of SCL and EZE. They were all Chileans/Argentinians as far as I could tell, too.
AA does have a number of FAs based in EZE and SCL that are Argentine and Chilean nationals. The EZE crews, at least, are notorious for providing horrible service and having a lousy attitude. Hopefully you did not experience that.