KL 1752 then HV 6003 at Schiphol
Hamburg → Amsterdam → Porto
Timetable, Amsterdam time
09:35KL 1752 from Hamburg at the gate
06:50HV 6003 to Porto leaves the gate
21 h 15 apart on the timetable, overnight
HV 6003 leaves 21 h 15 after KL 1752 arrives on the timetable: more than half a day, so not a connection we count.