AA 374 then AA 5406 at Charlotte
San José (Costa Rica) → Charlotte → Knoxville
Timetable, Charlotte time
19:42AA 374 from San José (Costa Rica) at the gate
19:30AA 5406 to Knoxville leaves the gate
23 h 48 apart on the timetable, overnight
AA 5406 leaves 23 h 48 after AA 374 arrives on the timetable: more than half a day, so not a connection we count.