EW 4621 then SK 81 at Arlanda
Prague → Stockholm → Visby
Timetable, Stockholm time
11:55EW 4621 from Prague at the gate
10:20SK 81 to Visby leaves the gate
22 h 25 apart on the timetable, overnight
SK 81 leaves 22 h 25 after EW 4621 arrives on the timetable: more than half a day, so not a connection we count.