AF 783 then U2 4501 at Charles de Gaulle
Nairobi → Paris → Nice
Timetable, Paris time
07:00AF 783 from Nairobi at the gate
06:55U2 4501 to Nice leaves the gate
23 h 55 apart on the timetable, overnight
U2 4501 leaves 23 h 55 after AF 783 arrives on the timetable: more than half a day, so not a connection we count.