FR 635 then EI 3226 at Dublin
Cardiff → Dublin → Glasgow
Timetable, Dublin time
14:25FR 635 from Cardiff at the gate
14:20EI 3226 to Glasgow leaves the gate
23 h 55 apart on the timetable, overnight
EI 3226 leaves 23 h 55 after FR 635 arrives on the timetable: more than half a day, so not a connection we count.