4Z 221 then UM 462 at Johannesburg
Tete → Johannesburg → Harare
Timetable, Johannesburg time
15:354Z 221 from Tete at the gate
16:55UM 462 to Harare leaves the gate
1 h 20 apart on the timetable
Johannesburg’s board gives an arrival time for only about 54% of its flights, so many days show no gate time.
The last days
4Z 221 and UM 462 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.