but the again, I heard you don't get points from BA flights for AAdvantage if it's Transatlantic. Is that correct? because I fly a lot between HEL-DFW and that route is usually with BA (sometimes AA)
Now that would be pretty strange, no? I don't believe it's correct, and there's nothing to confirm that on the AAdvantage earnings chart for BA operatred flights -
http://www.aa.com/i18n/AAdvantage/ea...es/british.jsp
Do note, though, that you don't earn miles for flights to Cuba (e.g. Iberia)