SK 1768 then DY 2031 at Arlanda
Prague → Stockholm → Riga
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
14:00DY 2031 to Riga leaves the gate
16 h 45 apart on the timetable, overnight
DY 2031 leaves 16 h 45 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.