FR 6815 then FR 6842 at Manchester
Madrid → Manchester → Prague
Timetable, Manchester time
18:35FR 6815 from Madrid at the gate
08:25FR 6842 to Prague leaves the gate
13 h 50 apart on the timetable, overnight
FR 6842 leaves 13 h 50 after FR 6815 arrives on the timetable: more than half a day, so not a connection we count.