FA 411 then 4Z 823 at Johannesburg
Durban → Johannesburg → Mpumalanga
Timetable, Johannesburg time
07:35FA 411 from Durban at the gate
07:004Z 823 to Mpumalanga leaves the gate
23 h 25 apart on the timetable, overnight
4Z 823 leaves 23 h 25 after FA 411 arrives on the timetable: more than half a day, so not a connection we count.