4Z 142 then SA 343 at Johannesburg
Walvis Bay → Johannesburg → Cape Town
Timetable, Johannesburg time
15:454Z 142 from Walvis Bay at the gate
14:30SA 343 to Cape Town leaves the gate
22 h 45 apart on the timetable, overnight
SA 343 leaves 22 h 45 after 4Z 142 arrives on the timetable: more than half a day, so not a connection we count.