QF 65 then SA 355 at Johannesburg
Perth → Johannesburg → Cape Town
Timetable, Johannesburg time
18:25QF 65 from Perth at the gate
16:40SA 355 to Cape Town leaves the gate
22 h 15 apart on the timetable, overnight
SA 355 leaves 22 h 15 after QF 65 arrives on the timetable: more than half a day, so not a connection we count.