U2 1683 then U2 2987 at Fiumicino
Nice → Rome → Brussels
Timetable, Rome time
19:10U2 1683 from Nice at the gate
18:05U2 2987 to Brussels leaves the gate
22 h 55 apart on the timetable, overnight
U2 2987 leaves 22 h 55 after U2 1683 arrives on the timetable: more than half a day, so not a connection we count.