FR 5564 then EI 137 at Dublin
Glasgow → Dublin → Boston
Timetable, Dublin time
21:50FR 5564 from Glasgow at the gate
16:45EI 137 to Boston leaves the gate
18 h 55 apart on the timetable, overnight
EI 137 leaves 18 h 55 after FR 5564 arrives on the timetable: more than half a day, so not a connection we count.