Originally Posted by
RUAMKZ
Addis Ababa would be a good choice for A3.......Ethiopian is also a Star Alliance partner, so you would have hubs at both ends.
One of the most asked-for long-haul flights in Greece, is Johannesburg......but SAA is not in a position to add JNB-ATH, and A3 doesn't have any long-range planes.
Having ATH-ADD would take of local traffic, and connections to JNB, NBO, and other African destinations, using ET's network.
But you already have Cairo served by both A3 and MS. This provides a 1 stop flight to several African destinations, including JNB and NBO.