4Z 950 then SA 547 at Johannesburg
Cape Town → Johannesburg → Durban
Timetable, Johannesburg time
12:004Z 950 from Cape Town at the gate
11:05SA 547 to Durban leaves the gate
23 h 05 apart on the timetable, overnight
SA 547 leaves 23 h 05 after 4Z 950 arrives on the timetable: more than half a day, so not a connection we count.