Originally Posted by
anabolism
If you want to fly LHR to Africa on BA metal, you might try booking it as an AA codeshare. I had an RTW that had LHR-JNB and it was a huge amount more on BA than on AA.
I haven't done this recently, but I do remember that years ago you could only use AA codeshares on LHR/Africa if you were connecting to or from an AA metal TATL flight.