AA 3204 then AA 5670 at Charlotte
Newark → Charlotte → Lexington
Timetable, Charlotte time
15:30AA 3204 from Newark at the gate
14:49AA 5670 to Lexington leaves the gate
23 h 19 apart on the timetable, overnight
AA 5670 leaves 23 h 19 after AA 3204 arrives on the timetable: more than half a day, so not a connection we count.