U2 2996 then U2 1684 at Fiumicino
Hamburg → Rome → Nice
Timetable, Rome time
17:20U2 2996 from Hamburg at the gate
12:25U2 1684 to Nice leaves the gate
19 h 05 apart on the timetable, overnight
U2 1684 leaves 19 h 05 after U2 2996 arrives on the timetable: more than half a day, so not a connection we count.