Originally Posted by
ernestnywang
But CX had 6 weekly code-share services on DUR-JNB back in 2015 (the screenshot below is from 2015 timetable) and I believe this was the case all the way until the pandemic hit and MN (BA-Comair) folded. I think CX would have aimed for daily except maybe MN did not have a Sunday morning service?

True, but back then there was Comair - A BA franchise and oneWorld partner. Now I think they are left with a much skinnier South African Airways who may only permit them to codeshare on one frequency - I am speculating here.