4Z 950 then SA 62 at Johannesburg
Cape Town → Johannesburg → Lusaka
Timetable, Johannesburg time
12:104Z 950 from Cape Town at the gate
10:40SA 62 to Lusaka leaves the gate
22 h 30 apart on the timetable, overnight
SA 62 leaves 22 h 30 after 4Z 950 arrives on the timetable: more than half a day, so not a connection we count.