AA 1143 then DL 5679 at Boston
Charlotte → Boston → Louisville
Timetable, Boston time
15:56AA 1143 from Charlotte at the gate
09:55DL 5679 to Louisville leaves the gate
17 h 59 apart on the timetable, overnight
DL 5679 leaves 17 h 59 after AA 1143 arrives on the timetable: more than half a day, so not a connection we count.