AA 5565 then UA 3305 at Charlotte
Memphis → Charlotte → Pittsburgh
Timetable, Charlotte time
15:33AA 5565 from Memphis at the gate
15:00UA 3305 to Pittsburgh leaves the gate
23 h 27 apart on the timetable, overnight
UA 3305 leaves 23 h 27 after AA 5565 arrives on the timetable: more than half a day, so not a connection we count.