AA 5826 then AA 5572 at Charlotte
Knoxville → Charlotte → Lexington
Timetable, Charlotte time
11:31AA 5826 from Knoxville at the gate
11:20AA 5572 to Lexington leaves the gate
23 h 49 apart on the timetable, overnight
AA 5572 leaves 23 h 49 after AA 5826 arrives on the timetable: more than half a day, so not a connection we count.