AA 580 then AA 3040 at Charlotte
Seattle → Charlotte → Pittsburgh
Timetable, Charlotte time
20:43AA 580 from Seattle at the gate
19:35AA 3040 to Pittsburgh leaves the gate
22 h 52 apart on the timetable, overnight
AA 3040 leaves 22 h 52 after AA 580 arrives on the timetable: more than half a day, so not a connection we count.