FR 677 then FR 657 at Dublin
Cardiff → Dublin → Brussels
Timetable, Dublin time
00:50FR 677 from Cardiff at the gate
15:25FR 657 to Brussels leaves the gate
14 h 35 apart on the timetable
FR 657 leaves 14 h 35 after FR 677 arrives on the timetable: more than half a day, so not a connection we count.