LX 352 then KE 504 at Heathrow
Geneva → London → Paris Charles de Gaulle
Timetable, London time
08:15LX 352 from Geneva at the gate
21:07KE 504 to Paris Charles de Gaulle leaves the gate
12 h 52 apart on the timetable
KE 504 leaves 12 h 52 after LX 352 arrives on the timetable: more than half a day, so not a connection we count.