HV 6866 then KL 981 at Schiphol
Athens → Amsterdam → London City
Timetable, Amsterdam time
23:40HV 6866 from Athens at the gate
08:45KL 981 to London City leaves the gate
9 h 05 apart on the timetable, overnight
The last days
HV 6866 and KL 981 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.