SA 316 then 4Z 797 at Johannesburg
Cape Town → Johannesburg → Port Elizabeth
Timetable, Johannesburg time
11:00SA 316 from Cape Town at the gate
10:104Z 797 to Port Elizabeth leaves the gate
23 h 10 apart on the timetable, overnight
4Z 797 leaves 23 h 10 after SA 316 arrives on the timetable: more than half a day, so not a connection we count.