FR 1453 then FR 666 at Dublin
Brussels → Dublin → Birmingham (UK)
Timetable, Dublin time
18:10FR 1453 from Brussels at the gate
12:15FR 666 to Birmingham (UK) leaves the gate
18 h 05 apart on the timetable, overnight
FR 666 leaves 18 h 05 after FR 1453 arrives on the timetable: more than half a day, so not a connection we count.