DY 3581 then W6 1368 at Copenhagen
Prague → Copenhagen → Warsaw Chopin
Timetable, Copenhagen time
11:45DY 3581 from Prague at the gate
08:50W6 1368 to Warsaw Chopin leaves the gate
21 h 05 apart on the timetable, overnight
W6 1368 leaves 21 h 05 after DY 3581 arrives on the timetable: more than half a day, so not a connection we count.