5Z 839 then SA 563 at Johannesburg
Cape Town → Johannesburg → Durban
Timetable, Johannesburg time
15:305Z 839 from Cape Town at the gate
15:10SA 563 to Durban leaves the gate
23 h 40 apart on the timetable, overnight
SA 563 leaves 23 h 40 after 5Z 839 arrives on the timetable: more than half a day, so not a connection we count.