FR 3977 then FR 7543 at Barcelona
Dublin → Barcelona → Manchester
Timetable, Barcelona time
12:20FR 3977 from Dublin at the gate
11:35FR 7543 to Manchester leaves the gate
23 h 15 apart on the timetable, overnight
FR 7543 leaves 23 h 15 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.