SA 306 then 4Z 166 at Johannesburg
Cape Town → Johannesburg → Lusaka
Timetable, Johannesburg time
09:00SA 306 from Cape Town at the gate
07:404Z 166 to Lusaka leaves the gate
22 h 40 apart on the timetable, overnight
4Z 166 leaves 22 h 40 after SA 306 arrives on the timetable: more than half a day, so not a connection we count.