EI 263 then FR 634 at Dublin
Birmingham (UK) → Dublin → Cardiff
Timetable, Dublin time
09:30EI 263 from Birmingham (UK) at the gate
07:10FR 634 to Cardiff leaves the gate
21 h 40 apart on the timetable, overnight
FR 634 leaves 21 h 40 after EI 263 arrives on the timetable: more than half a day, so not a connection we count.