FR 6596 then LA 5787 at Barcelona
Manchester → Barcelona → Prague
Timetable, Barcelona time
23:40FR 6596 from Manchester at the gate
17:55LA 5787 to Prague leaves the gate
18 h 15 apart on the timetable, overnight
LA 5787 leaves 18 h 15 after FR 6596 arrives on the timetable: more than half a day, so not a connection we count.