4Z 754 then SA 317 at Johannesburg
Mthatha → Johannesburg → Cape Town
Timetable, Johannesburg time
09:504Z 754 from Mthatha at the gate
11:10SA 317 to Cape Town leaves the gate
1 h 20 apart on the timetable
Johannesburg’s board gives a departure time for only about 59% of its flights, so many days show no gate time.
The last days
4Z 754 and SA 317 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.