AA 2634 then AA 5406 at Charlotte
New York JFK → Charlotte → Knoxville
Timetable, Charlotte time
19:35AA 2634 from New York JFK at the gate
19:30AA 5406 to Knoxville leaves the gate
23 h 55 apart on the timetable, overnight
AA 5406 leaves 23 h 55 after AA 2634 arrives on the timetable: more than half a day, so not a connection we count.