BA 1347 then BA 308 at Heathrow
Saint Helier → London → Paris Charles de Gaulle
Timetable, London time
11:45BA 1347 from Saint Helier at the gate
11:40BA 308 to Paris Charles de Gaulle leaves the gate
23 h 55 apart on the timetable, overnight
BA 308 leaves 23 h 55 after BA 1347 arrives on the timetable: more than half a day, so not a connection we count.