AY 959 then DY 3540 at Copenhagen
Helsinki → Copenhagen → Amsterdam
Timetable, Copenhagen time
16:30AY 959 from Helsinki at the gate
14:50DY 3540 to Amsterdam leaves the gate
22 h 20 apart on the timetable, overnight
DY 3540 leaves 22 h 20 after AY 959 arrives on the timetable: more than half a day, so not a connection we count.