U2 2123 then DL 183 at Fiumicino
Manchester → Rome → New York JFK
Timetable, Rome time
16:00U2 2123 from Manchester at the gate
11:45DL 183 to New York JFK leaves the gate
19 h 45 apart on the timetable, overnight
DL 183 leaves 19 h 45 after U2 2123 arrives on the timetable: more than half a day, so not a connection we count.