ET 24 then FA 691 at Johannesburg
Lilongwe → Johannesburg → Cape Town
Timetable, Johannesburg time
19:15ET 24 from Lilongwe at the gate
18:30FA 691 to Cape Town leaves the gate
23 h 15 apart on the timetable, overnight
FA 691 leaves 23 h 15 after ET 24 arrives on the timetable: more than half a day, so not a connection we count.