BA 311 then BA 374 at Heathrow
Paris Charles de Gaulle → London → Toulouse
Timetable, London time
16:45BA 311 from Paris Charles de Gaulle at the gate
16:10BA 374 to Toulouse leaves the gate
23 h 25 apart on the timetable, overnight
BA 374 leaves 23 h 25 after BA 311 arrives on the timetable: more than half a day, so not a connection we count.