FA 603 then UA 187 at Johannesburg
Cape Town → Johannesburg → Newark
Timetable, Johannesburg time
22:45FA 603 from Cape Town at the gate
22:00UA 187 to Newark leaves the gate
23 h 15 apart on the timetable, overnight
UA 187 leaves 23 h 15 after FA 603 arrives on the timetable: more than half a day, so not a connection we count.