GE 154 then TK 43 at Johannesburg
Cape Town → Johannesburg → Istanbul
Timetable, Johannesburg time
19:00GE 154 from Cape Town at the gate
18:50TK 43 to Istanbul leaves the gate
23 h 50 apart on the timetable, overnight
TK 43 leaves 23 h 50 after GE 154 arrives on the timetable: more than half a day, so not a connection we count.