HV 6002 then KL 1015 at Schiphol
Porto → Amsterdam → London Heathrow
Timetable, Amsterdam time
23:55HV 6002 from Porto at the gate
18:50KL 1015 to London Heathrow leaves the gate
18 h 55 apart on the timetable, overnight
KL 1015 leaves 18 h 55 after HV 6002 arrives on the timetable: more than half a day, so not a connection we count.