KL 606 then DY 3541 at Schiphol
San Francisco → Amsterdam → Copenhagen
Timetable, Amsterdam time
09:10KL 606 from San Francisco at the gate
21:20DY 3541 to Copenhagen leaves the gate
12 h 10 apart on the timetable
DY 3541 leaves 12 h 10 after KL 606 arrives on the timetable: more than half a day, so not a connection we count.