SA 556 then BP 206 at Johannesburg
Durban → Johannesburg → Gaborone
Timetable, Johannesburg time
14:10SA 556 from Durban at the gate
15:40BP 206 to Gaborone leaves the gate
1 h 30 apart on the timetable
Johannesburg’s board gives an arrival time for only about 46% of its flights, so many days show no gate time.
The last days
SA 556 and BP 206 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.