SA 556 then SA 337 at Johannesburg
Durban → Johannesburg → Cape Town
Timetable, Johannesburg time
14:10SA 556 from Durban at the gate
15:15SA 337 to Cape Town leaves the gate
1 h 05 apart on the timetable
Johannesburg’s board gives a departure time for only about 54% of its flights, so many days show no gate time.
The last days
SA 556 and SA 337 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.