Originally Posted by
sbm12
1) They won't work to South Africa as they do not work on partner airlines (other than UA).
They can be used day-of on LH FRA/MUC-JNB (if OP converts over to UA SWUs & gets LH paper SWUs from that). But would take 2 per person to upgrade one way all the way from the States to SA. Or could focus on only upgrading Europe-SA & back.