U2 1683 then U2 2977 at Fiumicino
Nice → Rome → Bordeaux
Timetable, Rome time
19:10U2 1683 from Nice at the gate
17:30U2 2977 to Bordeaux leaves the gate
22 h 20 apart on the timetable, overnight
U2 2977 leaves 22 h 20 after U2 1683 arrives on the timetable: more than half a day, so not a connection we count.