AF 1149 then U2 4501 at Charles de Gaulle
Barcelona → Paris → Nice
Timetable, Paris time
12:05AF 1149 from Barcelona at the gate
06:55U2 4501 to Nice leaves the gate
18 h 50 apart on the timetable, overnight
U2 4501 leaves 18 h 50 after AF 1149 arrives on the timetable: more than half a day, so not a connection we count.