BQ 2322 then U2 1684 at Fiumicino
Manchester → Rome → Nice
Timetable, Rome time
20:25BQ 2322 from Manchester at the gate
14:45U2 1684 to Nice leaves the gate
18 h 20 apart on the timetable, overnight
U2 1684 leaves 18 h 20 after BQ 2322 arrives on the timetable: more than half a day, so not a connection we count.