LL 5107 then LS 804 at Barcelona
Prague → Barcelona → Manchester
Timetable, Barcelona time
13:15LL 5107 from Prague at the gate
12:00LS 804 to Manchester leaves the gate
22 h 45 apart on the timetable, overnight
LS 804 leaves 22 h 45 after LL 5107 arrives on the timetable: more than half a day, so not a connection we count.