XZ 2426 then U2 1684 at Fiumicino
Genova → Rome → Nice
Timetable, Rome time
20:00XZ 2426 from Genova at the gate
11:35U2 1684 to Nice leaves the gate
15 h 35 apart on the timetable, overnight
U2 1684 leaves 15 h 35 after XZ 2426 arrives on the timetable: more than half a day, so not a connection we count.