AA 2634 then AA 5318 at Charlotte
New York JFK → Charlotte → Lexington
Timetable, Charlotte time
19:35AA 2634 from New York JFK at the gate
19:28AA 5318 to Lexington leaves the gate
23 h 53 apart on the timetable, overnight
AA 5318 leaves 23 h 53 after AA 2634 arrives on the timetable: more than half a day, so not a connection we count.