HV 6002 then KL 1637 at Schiphol
Porto → Amsterdam → Venezia
Timetable, Amsterdam time
23:55HV 6002 from Porto at the gate
20:45KL 1637 to Venezia leaves the gate
20 h 50 apart on the timetable, overnight
KL 1637 leaves 20 h 50 after HV 6002 arrives on the timetable: more than half a day, so not a connection we count.