FR 4901 then AZ 618 at Fiumicino
Palermo → Rome → Washington
Timetable, Rome time
19:05FR 4901 from Palermo at the gate
10:10AZ 618 to Washington leaves the gate
15 h 05 apart on the timetable, overnight
AZ 618 leaves 15 h 05 after FR 4901 arrives on the timetable: more than half a day, so not a connection we count.