FR 635 then EI 564 at Dublin
Cardiff → Dublin → Barcelona
Timetable, Dublin time
17:05FR 635 from Cardiff at the gate
16:45EI 564 to Barcelona leaves the gate
23 h 40 apart on the timetable, overnight
EI 564 leaves 23 h 40 after FR 635 arrives on the timetable: more than half a day, so not a connection we count.