SK 1768 then SK 1811 at Arlanda
Prague → Stockholm → Barcelona
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
13:20SK 1811 to Barcelona leaves the gate
16 h 05 apart on the timetable, overnight
SK 1811 leaves 16 h 05 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.