FR 553 then EI 119 at Dublin
Manchester → Dublin → Washington
Timetable, Dublin time
21:25FR 553 from Manchester at the gate
15:50EI 119 to Washington leaves the gate
18 h 25 apart on the timetable, overnight
EI 119 leaves 18 h 25 after FR 553 arrives on the timetable: more than half a day, so not a connection we count.