SK 1768 then SK 2549 at Arlanda
Prague → Stockholm → Manchester
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
15:30SK 2549 to Manchester leaves the gate
18 h 15 apart on the timetable, overnight
SK 2549 leaves 18 h 15 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.