HV 6002 then KL 1757 at Schiphol
Porto → Amsterdam → Hamburg
Timetable, Amsterdam time
22:15HV 6002 from Porto at the gate
16:50KL 1757 to Hamburg leaves the gate
18 h 35 apart on the timetable, overnight
KL 1757 leaves 18 h 35 after HV 6002 arrives on the timetable: more than half a day, so not a connection we count.