4Z 816 then FA 274 at Johannesburg
Potgietersrus → Johannesburg → Durban
Timetable, Johannesburg time
18:404Z 816 from Potgietersrus at the gate
18:30FA 274 to Durban leaves the gate
23 h 50 apart on the timetable, overnight
FA 274 leaves 23 h 50 after 4Z 816 arrives on the timetable: more than half a day, so not a connection we count.