FR 651 then EI 81 at Dublin
Lisbon → Dublin → Pittsburgh
Timetable, Dublin time
23:40FR 651 from Lisbon at the gate
16:15EI 81 to Pittsburgh leaves the gate
16 h 35 apart on the timetable, overnight
EI 81 leaves 16 h 35 after FR 651 arrives on the timetable: more than half a day, so not a connection we count.