Originally Posted by
Vaze
As far as I know all WT+ fares are considered full fare economy so upgradable, your problem is that you can only upgrade flights that are on AA metal using AA miles. To upgrade WT+ to CW you need to use BA miles. At least that is my understanding of this issue. I
And your understanding would be incorrect. Sorry.
See here:
http://www.aa.com/i18n/AAdvantage/re...radeAwards.jsp