4Z 163 then SA 419 at Johannesburg
Lusaka → Johannesburg → Port Elizabeth
Timetable, Johannesburg time
16:204Z 163 from Lusaka at the gate
16:00SA 419 to Port Elizabeth leaves the gate
23 h 40 apart on the timetable, overnight
SA 419 leaves 23 h 40 after 4Z 163 arrives on the timetable: more than half a day, so not a connection we count.