SA 546 then FA 380 at Johannesburg
Durban → Johannesburg → Cape Town
Timetable, Johannesburg time
12:10SA 546 from Durban at the gate
11:25FA 380 to Cape Town leaves the gate
23 h 15 apart on the timetable, overnight
FA 380 leaves 23 h 15 after SA 546 arrives on the timetable: more than half a day, so not a connection we count.