SA 326 then SA 74 at Johannesburg
Cape Town → Johannesburg → Windhoek
Timetable, Johannesburg time
13:05SA 326 from Cape Town at the gate
11:40SA 74 to Windhoek leaves the gate
22 h 35 apart on the timetable, overnight
SA 74 leaves 22 h 35 after SA 326 arrives on the timetable: more than half a day, so not a connection we count.