FR 663 then DL 155 at Dublin
Birmingham (UK) → Dublin → Boston
Timetable, Dublin time
19:30FR 663 from Birmingham (UK) at the gate
11:55DL 155 to Boston leaves the gate
16 h 25 apart on the timetable, overnight
DL 155 leaves 16 h 25 after FR 663 arrives on the timetable: more than half a day, so not a connection we count.