FR 6927 then LA 8121 at Fiumicino
Barcelona → Rome → São Paulo
Timetable, Rome time
15:00FR 6927 from Barcelona at the gate
12:10LA 8121 to São Paulo leaves the gate
21 h 10 apart on the timetable, overnight
LA 8121 leaves 21 h 10 after FR 6927 arrives on the timetable: more than half a day, so not a connection we count.