FR 6839 then FR 641 at Manchester
Prague → Manchester → Valencia
Timetable, Manchester time
16:40FR 6839 from Prague at the gate
09:05FR 641 to Valencia leaves the gate
16 h 25 apart on the timetable, overnight
FR 641 leaves 16 h 25 after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.