AA 2851 then AA 5258 at Charlotte
Kansas City → Charlotte → Lexington
Timetable, Charlotte time
18:19AA 2851 from Kansas City at the gate
17:16AA 5258 to Lexington leaves the gate
22 h 57 apart on the timetable, overnight
AA 5258 leaves 22 h 57 after AA 2851 arrives on the timetable: more than half a day, so not a connection we count.