FA 397 then 4Z 759 at Johannesburg
Durban → Johannesburg → Mthatha
Timetable, Johannesburg time
14:35FA 397 from Durban at the gate
14:104Z 759 to Mthatha leaves the gate
23 h 35 apart on the timetable, overnight
4Z 759 leaves 23 h 35 after FA 397 arrives on the timetable: more than half a day, so not a connection we count.