SA 530 then GE 121 at Johannesburg
Durban → Johannesburg → Cape Town
Timetable, Johannesburg time
08:10SA 530 from Durban at the gate
07:00GE 121 to Cape Town leaves the gate
22 h 50 apart on the timetable, overnight
GE 121 leaves 22 h 50 after SA 530 arrives on the timetable: more than half a day, so not a connection we count.