FR 6927 then AZ 2042 at Fiumicino
Barcelona → Rome → Milan Linate
Timetable, Rome time
18:40FR 6927 from Barcelona at the gate
13:00AZ 2042 to Milan Linate leaves the gate
18 h 20 apart on the timetable, overnight
AZ 2042 leaves 18 h 20 after FR 6927 arrives on the timetable: more than half a day, so not a connection we count.