Originally Posted by
quitecontrary
You could try for F on the LHR-JNB route and the take a connecting flight from there.
Definitely an option, but as this thread shows the transfer from the LHR-JNB to the JNB-MRU sector isn't always seamless either, primarily because there is only one JNB-MRU-JNB rotation per week:
http://www.flyertalk.com/forum/briti...ong-delay.html