AA 2773 then AA 2854 at Charlotte
Boston → Charlotte → Louisville
Timetable, Charlotte time
15:19AA 2773 from Boston at the gate
14:20AA 2854 to Louisville leaves the gate
23 h 01 apart on the timetable, overnight
AA 2854 leaves 23 h 01 after AA 2773 arrives on the timetable: more than half a day, so not a connection we count.