SA 281 then GE 133 at Johannesburg
Perth → Johannesburg → Cape Town
Timetable, Johannesburg time
05:05SA 281 from Perth at the gate
18:10GE 133 to Cape Town leaves the gate
13 h 05 apart on the timetable
GE 133 leaves 13 h 05 after SA 281 arrives on the timetable: more than half a day, so not a connection we count.