SK 1768 then LH 805 at Arlanda
Prague → Stockholm → Frankfurt am Main
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
16:55LH 805 to Frankfurt am Main leaves the gate
19 h 40 apart on the timetable, overnight
LH 805 leaves 19 h 40 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.