FN 8339 then SA 555 at Johannesburg
Harare → Johannesburg → Durban
Timetable, Johannesburg time
14:00FN 8339 from Harare at the gate
13:40SA 555 to Durban leaves the gate
23 h 40 apart on the timetable, overnight
SA 555 leaves 23 h 40 after FN 8339 arrives on the timetable: more than half a day, so not a connection we count.