BA 318 then AF 7484 at Charles de Gaulle
London Heathrow → Paris → Biarritz
Timetable, Paris time
20:45BA 318 from London Heathrow at the gate
20:30AF 7484 to Biarritz leaves the gate
23 h 45 apart on the timetable, overnight
AF 7484 leaves 23 h 45 after BA 318 arrives on the timetable: more than half a day, so not a connection we count.