AA 1616 then AA 5258 at Charlotte
Kansas City → Charlotte → Lexington
Timetable, Charlotte time
17:17AA 1616 from Kansas City at the gate
17:16AA 5258 to Lexington leaves the gate
23 h 59 apart on the timetable, overnight
AA 5258 leaves 23 h 59 after AA 1616 arrives on the timetable: more than half a day, so not a connection we count.