FR 331 then FR 668 at Dublin
London Luton → Dublin → Birmingham (UK)
Timetable, Dublin time
08:50FR 331 from London Luton at the gate
20:55FR 668 to Birmingham (UK) leaves the gate
12 h 05 apart on the timetable
FR 668 leaves 12 h 05 after FR 331 arrives on the timetable: more than half a day, so not a connection we count.