4Z 121 then FA 274 at Johannesburg
Windhoek → Johannesburg → Durban
Timetable, Johannesburg time
11:104Z 121 from Windhoek at the gate
19:40FA 274 to Durban leaves the gate
8 h 30 apart on the timetable
The last days
4Z 121 and FA 274 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.