SA 546 then 4Z 797 at Johannesburg
Durban → Johannesburg → Port Elizabeth
Timetable, Johannesburg time
12:10SA 546 from Durban at the gate
10:104Z 797 to Port Elizabeth leaves the gate
22 h apart on the timetable, overnight
4Z 797 leaves 22 h after SA 546 arrives on the timetable: more than half a day, so not a connection we count.