AD 2880 then AD 4280 at Guarulhos
Belo Horizonte → São Paulo → Porto Alegre
Timetable, São Paulo time
19:35AD 2880 from Belo Horizonte at the gate
21:05AD 4280 to Porto Alegre leaves the gate
1 h 30 apart on the timetable
Guarulhos’s board gives an arrival time for only about 38% of its flights, so many days show no gate time.
Guarulhos’s board shows about 53% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
AD 2880 and AD 4280 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.