4Z 838 then SA 337 at Johannesburg
Mpumalanga → Johannesburg → Cape Town
Timetable, Johannesburg time
08:204Z 838 from Mpumalanga at the gate
13:00SA 337 to Cape Town leaves the gate
4 h 40 apart on the timetable
Johannesburg’s board gives a departure time for only about 57% of its flights, so many days show no gate time.
The last days
4Z 838 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.