UA 980 then FR 506 at Dublin
Chicago → Dublin → Bristol
Timetable, Dublin time
08:10UA 980 from Chicago at the gate
20:40FR 506 to Bristol leaves the gate
12 h 30 apart on the timetable
FR 506 leaves 12 h 30 after UA 980 arrives on the timetable: more than half a day, so not a connection we count.