SA 538 then 4Z 246 at Johannesburg
Durban → Johannesburg → Nosy Be
Timetable, Johannesburg time
10:20SA 538 from Durban at the gate
09:554Z 246 to Nosy Be leaves the gate
23 h 35 apart on the timetable, overnight
4Z 246 leaves 23 h 35 after SA 538 arrives on the timetable: more than half a day, so not a connection we count.