FR 507 then FR 156 at Dublin
Bristol → Dublin → Leeds
Timetable, Dublin time
20:15FR 507 from Bristol at the gate
11:20FR 156 to Leeds leaves the gate
15 h 05 apart on the timetable, overnight
FR 156 leaves 15 h 05 after FR 507 arrives on the timetable: more than half a day, so not a connection we count.