FR 512 then FR 1918 at Dublin
Bristol → Dublin → Manchester
Timetable, Dublin time
15:20FR 512 from Bristol at the gate
14:25FR 1918 to Manchester leaves the gate
23 h 05 apart on the timetable, overnight
FR 1918 leaves 23 h 05 after FR 512 arrives on the timetable: more than half a day, so not a connection we count.