AA 5311 then AA 1796 at Charlotte
Lexington → Charlotte → New York LaGuardia
Timetable, Charlotte time
07:18AA 5311 from Lexington at the gate
07:07AA 1796 to New York LaGuardia leaves the gate
23 h 49 apart on the timetable, overnight
AA 1796 leaves 23 h 49 after AA 5311 arrives on the timetable: more than half a day, so not a connection we count.