AD 8781 then AD 2939 at Guarulhos
Punta del Este → São Paulo → Porto Alegre
Timetable, São Paulo time
18:50AD 8781 from Punta del Este at the gate
18:30AD 2939 to Porto Alegre leaves the gate
23 h 40 apart on the timetable, overnight
AD 2939 leaves 23 h 40 after AD 8781 arrives on the timetable: more than half a day, so not a connection we count.