FR 505 then FR 1974 at Dublin
Bristol → Dublin → Poznan
Timetable, Dublin time
20:20FR 505 from Bristol at the gate
18:00FR 1974 to Poznan leaves the gate
21 h 40 apart on the timetable, overnight
FR 1974 leaves 21 h 40 after FR 505 arrives on the timetable: more than half a day, so not a connection we count.