ET 809 then FA 512 at Johannesburg
Addis Ababa → Johannesburg → Cape Town
Timetable, Johannesburg time
13:30ET 809 from Addis Ababa at the gate
12:50FA 512 to Cape Town leaves the gate
23 h 20 apart on the timetable, overnight
FA 512 leaves 23 h 20 after ET 809 arrives on the timetable: more than half a day, so not a connection we count.