5Z 251 then MS 840 at Johannesburg
Port Elizabeth → Johannesburg → Cairo
Timetable, Johannesburg time
09:105Z 251 from Port Elizabeth at the gate
21:45MS 840 to Cairo leaves the gate
12 h 35 apart on the timetable
MS 840 leaves 12 h 35 after 5Z 251 arrives on the timetable: more than half a day, so not a connection we count.