4Z 920 then FA 490 at Johannesburg
Cape Town → Johannesburg → Durban
Timetable, Johannesburg time
09:054Z 920 from Cape Town at the gate
06:40FA 490 to Durban leaves the gate
21 h 35 apart on the timetable, overnight
FA 490 leaves 21 h 35 after 4Z 920 arrives on the timetable: more than half a day, so not a connection we count.