AZ 619 then FR 6974 at Fiumicino
Washington → Rome → Barcelona
Timetable, Rome time
07:00AZ 619 from Washington at the gate
20:35FR 6974 to Barcelona leaves the gate
13 h 35 apart on the timetable
FR 6974 leaves 13 h 35 after AZ 619 arrives on the timetable: more than half a day, so not a connection we count.