FA 379 then SA 355 at Johannesburg
East London → Johannesburg → Cape Town
Timetable, Johannesburg time
17:30FA 379 from East London at the gate
16:40SA 355 to Cape Town leaves the gate
23 h 10 apart on the timetable, overnight
SA 355 leaves 23 h 10 after FA 379 arrives on the timetable: more than half a day, so not a connection we count.