AZ 609 then FR 4891 at Fiumicino
New York JFK → Rome → Catania
Timetable, Rome time
07:05AZ 609 from New York JFK at the gate
23:15FR 4891 to Catania leaves the gate
16 h 10 apart on the timetable
FR 4891 leaves 16 h 10 after AZ 609 arrives on the timetable: more than half a day, so not a connection we count.