SA 25 then FA 398 at Johannesburg
Harare → Johannesburg → Durban
Timetable, Johannesburg time
07:55SA 25 from Harare at the gate
19:00FA 398 to Durban leaves the gate
11 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 25 and FA 398 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.