FR 817 then EI 81 at Dublin
Edinburgh → Dublin → Pittsburgh
Timetable, Dublin time
19:00FR 817 from Edinburgh at the gate
16:15EI 81 to Pittsburgh leaves the gate
21 h 15 apart on the timetable, overnight
EI 81 leaves 21 h 15 after FR 817 arrives on the timetable: more than half a day, so not a connection we count.