5Z 511 then SA 531 at Johannesburg
Kimberley → Johannesburg → Durban
Timetable, Johannesburg time
09:305Z 511 from Kimberley at the gate
08:40SA 531 to Durban leaves the gate
23 h 10 apart on the timetable, overnight
SA 531 leaves 23 h 10 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.