HV 6004 then KL 1011 at Schiphol
Porto → Amsterdam → London Heathrow
Timetable, Amsterdam time
13:10HV 6004 from Porto at the gate
15:45KL 1011 to London Heathrow leaves the gate
2 h 35 apart on the timetable
The last days
HV 6004 and KL 1011 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.