BY 669 then FR 6838 at Manchester
Marrakesh → Manchester → Prague
Timetable, Manchester time
14:55BY 669 from Marrakesh at the gate
06:25FR 6838 to Prague leaves the gate
15 h 30 apart on the timetable, overnight
FR 6838 leaves 15 h 30 after BY 669 arrives on the timetable: more than half a day, so not a connection we count.