BA 633 then AF 1281 at Heathrow
Athens → London → Paris Charles de Gaulle
Timetable, London time
18:25BA 633 from Athens at the gate
17:35AF 1281 to Paris Charles de Gaulle leaves the gate
23 h 10 apart on the timetable, overnight
AF 1281 leaves 23 h 10 after BA 633 arrives on the timetable: more than half a day, so not a connection we count.