FR 671 then EI 133 at Dublin
Birmingham (UK) → Dublin → Boston
Timetable, Dublin time
17:45FR 671 from Birmingham (UK) at the gate
11:45EI 133 to Boston leaves the gate
18 h apart on the timetable, overnight
EI 133 leaves 18 h after FR 671 arrives on the timetable: more than half a day, so not a connection we count.