FR 5270 then FR 6838 at Manchester
Barcelona → Manchester → Prague
Timetable, Manchester time
12:35FR 5270 from Barcelona at the gate
12:25FR 6838 to Prague leaves the gate
23 h 50 apart on the timetable, overnight
FR 6838 leaves 23 h 50 after FR 5270 arrives on the timetable: more than half a day, so not a connection we count.