FR 553 then EI 81 at Dublin
Manchester → Dublin → Pittsburgh
Timetable, Dublin time
21:25FR 553 from Manchester at the gate
16:15EI 81 to Pittsburgh leaves the gate
18 h 50 apart on the timetable, overnight
EI 81 leaves 18 h 50 after FR 553 arrives on the timetable: more than half a day, so not a connection we count.