KL 1706 then HV 6003 at Schiphol
Brussels → Amsterdam → Porto
Timetable, Amsterdam time
15:50KL 1706 from Brussels at the gate
06:50HV 6003 to Porto leaves the gate
15 h apart on the timetable, overnight
HV 6003 leaves 15 h after KL 1706 arrives on the timetable: more than half a day, so not a connection we count.