ET 24 then FA 278 at Johannesburg
Lilongwe → Johannesburg → Durban
Timetable, Johannesburg time
19:15ET 24 from Lilongwe at the gate
19:00FA 278 to Durban leaves the gate
23 h 45 apart on the timetable, overnight
FA 278 leaves 23 h 45 after ET 24 arrives on the timetable: more than half a day, so not a connection we count.