AA 719 then AA 5483 at Philadelphia
Rome → Philadelphia → Pittsburgh
Timetable, Philadelphia time
14:40AA 719 from Rome at the gate
14:30AA 5483 to Pittsburgh leaves the gate
23 h 50 apart on the timetable, overnight
AA 5483 leaves 23 h 50 after AA 719 arrives on the timetable: more than half a day, so not a connection we count.