AF 181 then U2 8406 at Charles de Gaulle
Singapore → Paris → London Gatwick
Timetable, Paris time
18:05AF 181 from Singapore at the gate
17:40U2 8406 to London Gatwick leaves the gate
23 h 35 apart on the timetable, overnight
U2 8406 leaves 23 h 35 after AF 181 arrives on the timetable: more than half a day, so not a connection we count.