ZN 305 then GE 151 at Johannesburg
Lusaka → Johannesburg → Cape Town
Timetable, Johannesburg time
09:30ZN 305 from Lusaka at the gate
08:00GE 151 to Cape Town leaves the gate
22 h 30 apart on the timetable, overnight
GE 151 leaves 22 h 30 after ZN 305 arrives on the timetable: more than half a day, so not a connection we count.