4Z 107 then FA 274 at Johannesburg
Harare → Johannesburg → Durban
Timetable, Johannesburg time
18:504Z 107 from Harare at the gate
18:30FA 274 to Durban leaves the gate
23 h 40 apart on the timetable, overnight
FA 274 leaves 23 h 40 after 4Z 107 arrives on the timetable: more than half a day, so not a connection we count.