AF 7523 then U2 4525 at Charles de Gaulle
Brest → Paris → Nice
Timetable, Paris time
16:35AF 7523 from Brest at the gate
15:45U2 4525 to Nice leaves the gate
23 h 10 apart on the timetable, overnight
U2 4525 leaves 23 h 10 after AF 7523 arrives on the timetable: more than half a day, so not a connection we count.