AA 1234 then AA 5262 at Charlotte
Pittsburgh → Charlotte → Lexington
Timetable, Charlotte time
07:34AA 1234 from Pittsburgh at the gate
07:17AA 5262 to Lexington leaves the gate
23 h 43 apart on the timetable, overnight
AA 5262 leaves 23 h 43 after AA 1234 arrives on the timetable: more than half a day, so not a connection we count.