KL 1290 then HV 6003 at Schiphol
Billund → Amsterdam → Porto
Timetable, Amsterdam time
07:20KL 1290 from Billund at the gate
06:50HV 6003 to Porto leaves the gate
23 h 30 apart on the timetable, overnight
HV 6003 leaves 23 h 30 after KL 1290 arrives on the timetable: more than half a day, so not a connection we count.