AA 1952 then AA 2255 at Charlotte
Oklahoma City → Charlotte → Pittsburgh
Timetable, Charlotte time
10:00AA 1952 from Oklahoma City at the gate
08:55AA 2255 to Pittsburgh leaves the gate
22 h 55 apart on the timetable, overnight
AA 2255 leaves 22 h 55 after AA 1952 arrives on the timetable: more than half a day, so not a connection we count.