FR 507 then FR 9987 at Dublin
Bristol → Dublin → Porto
Timetable, Dublin time
20:20FR 507 from Bristol at the gate
10:40FR 9987 to Porto leaves the gate
14 h 20 apart on the timetable, overnight
FR 9987 leaves 14 h 20 after FR 507 arrives on the timetable: more than half a day, so not a connection we count.