FR 1987 then FR 672 at Dublin
Nantes → Dublin → Birmingham (UK)
Timetable, Dublin time
09:30FR 1987 from Nantes at the gate
23:45FR 672 to Birmingham (UK) leaves the gate
14 h 15 apart on the timetable
FR 672 leaves 14 h 15 after FR 1987 arrives on the timetable: more than half a day, so not a connection we count.