U2 4698 then U2 4501 at Charles de Gaulle
Budapest → Paris → Nice
Timetable, Paris time
16:30U2 4698 from Budapest at the gate
14:15U2 4501 to Nice leaves the gate
21 h 45 apart on the timetable, overnight
U2 4501 leaves 21 h 45 after U2 4698 arrives on the timetable: more than half a day, so not a connection we count.