AF 671 then U2 4525 at Charles de Gaulle
St Denis → Paris → Nice
Timetable, Paris time
06:45AF 671 from St Denis at the gate
19:30U2 4525 to Nice leaves the gate
12 h 45 apart on the timetable
U2 4525 leaves 12 h 45 after AF 671 arrives on the timetable: more than half a day, so not a connection we count.