SA 75 then 5Z 518 at Johannesburg
Windhoek → Johannesburg → Kimberley
Timetable, Johannesburg time
16:15SA 75 from Windhoek at the gate
16:105Z 518 to Kimberley leaves the gate
23 h 55 apart on the timetable, overnight
5Z 518 leaves 23 h 55 after SA 75 arrives on the timetable: more than half a day, so not a connection we count.