FR 4905 then DL 231 at Fiumicino
Palermo → Rome → New York JFK
Timetable, Rome time
00:45FR 4905 from Palermo at the gate
12:55DL 231 to New York JFK leaves the gate
12 h 10 apart on the timetable
DL 231 leaves 12 h 10 after FR 4905 arrives on the timetable: more than half a day, so not a connection we count.