FR 671 then DL 155 at Dublin
Birmingham (UK) → Dublin → Boston
Timetable, Dublin time
17:45FR 671 from Birmingham (UK) at the gate
11:55DL 155 to Boston leaves the gate
18 h 10 apart on the timetable, overnight
DL 155 leaves 18 h 10 after FR 671 arrives on the timetable: more than half a day, so not a connection we count.