SK 1768 then SK 1423 at Arlanda
Prague → Stockholm → Copenhagen
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
13:30SK 1423 to Copenhagen leaves the gate
16 h 15 apart on the timetable, overnight
SK 1423 leaves 16 h 15 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.