FR 819 then EI 133 at Dublin
Edinburgh → Dublin → Boston
Timetable, Dublin time
16:55FR 819 from Edinburgh at the gate
11:45EI 133 to Boston leaves the gate
18 h 50 apart on the timetable, overnight
EI 133 leaves 18 h 50 after FR 819 arrives on the timetable: more than half a day, so not a connection we count.