SA 306 then 4Z 276 at Johannesburg
Cape Town → Johannesburg → Maputo
Timetable, Johannesburg time
09:00SA 306 from Cape Town at the gate
08:054Z 276 to Maputo leaves the gate
23 h 05 apart on the timetable, overnight
4Z 276 leaves 23 h 05 after SA 306 arrives on the timetable: more than half a day, so not a connection we count.