AZ 355 then U2 2838 at Fiumicino
Nice → Rome → Bristol
Timetable, Rome time
20:35AZ 355 from Nice at the gate
19:10U2 2838 to Bristol leaves the gate
22 h 35 apart on the timetable, overnight
U2 2838 leaves 22 h 35 after AZ 355 arrives on the timetable: more than half a day, so not a connection we count.