4Z 277 then FA 661 at Johannesburg
Maputo → Johannesburg → Durban
Timetable, Johannesburg time
11:004Z 277 from Maputo at the gate
10:25FA 661 to Durban leaves the gate
23 h 25 apart on the timetable, overnight
FA 661 leaves 23 h 25 after 4Z 277 arrives on the timetable: more than half a day, so not a connection we count.