Originally Posted by
BA6501
IB > BA crediting has been flaky at best ever since the change to spend-based Avios earning (and wasn't exactly amazing before, but that was particularly when codeshares came into play).
I'm still trying to get a 0 credit (AA) flight fixed from last May. They just periodically send me mails that they are behind and warning me not to submit again to avoid delaying things even further.