BA 430 then HV 6867 at Schiphol
London Heathrow → Amsterdam → Athens
Timetable, Amsterdam time
09:25BA 430 from London Heathrow at the gate
07:00HV 6867 to Athens leaves the gate
21 h 35 apart on the timetable, overnight
HV 6867 leaves 21 h 35 after BA 430 arrives on the timetable: more than half a day, so not a connection we count.