Originally Posted by
onetess
...mostly use my AA Mastercard....
You could earn 25% more AAdvantage miles for the same amount of spending if you were to use the Starwood Preferred Guest credit card rather than the card issued by Citi.
Originally Posted by
onetess
...don't believe you can use BA miles on Int'l AA coded flights...
Yes, you can. AA and BA now offer full reciprocal earning and redeeming on all routes with no exceptions. This changed in late 2010 when their transatlantic joint operating agreement was granted an anti-trust exemption.