FR 3180 then AZ 618 at Fiumicino
Barcelona → Rome → Washington
Timetable, Rome time
11:15FR 3180 from Barcelona at the gate
10:10AZ 618 to Washington leaves the gate
22 h 55 apart on the timetable, overnight
AZ 618 leaves 22 h 55 after FR 3180 arrives on the timetable: more than half a day, so not a connection we count.