KL 1506 then DY 3541 at Schiphol
Madrid → Amsterdam → Copenhagen
Timetable, Amsterdam time
19:35KL 1506 from Madrid at the gate
17:05DY 3541 to Copenhagen leaves the gate
21 h 30 apart on the timetable, overnight
DY 3541 leaves 21 h 30 after KL 1506 arrives on the timetable: more than half a day, so not a connection we count.