HV 6867 then A3 604 at Athens
Amsterdam → Athens → London Heathrow
Timetable, Athens time
19:40HV 6867 from Amsterdam at the gate
16:00A3 604 to London Heathrow leaves the gate
20 h 20 apart on the timetable, overnight
A3 604 leaves 20 h 20 after HV 6867 arrives on the timetable: more than half a day, so not a connection we count.