SN 3181 then U2 1684 at Fiumicino
Brussels → Rome → Nice
Timetable, Rome time
17:10SN 3181 from Brussels at the gate
09:05U2 1684 to Nice leaves the gate
15 h 55 apart on the timetable, overnight
U2 1684 leaves 15 h 55 after SN 3181 arrives on the timetable: more than half a day, so not a connection we count.