FR 509 then FR 556 at Dublin
Bristol → Dublin → Manchester
Timetable, Dublin time
20:10FR 509 from Bristol at the gate
16:25FR 556 to Manchester leaves the gate
20 h 15 apart on the timetable, overnight
FR 556 leaves 20 h 15 after FR 509 arrives on the timetable: more than half a day, so not a connection we count.