AA 1479 then DL 5837 at Boston
Chicago O'Hare → Boston → Charlotte
Timetable, Boston time
15:49AA 1479 from Chicago O'Hare at the gate
15:10DL 5837 to Charlotte leaves the gate
23 h 21 apart on the timetable, overnight
DL 5837 leaves 23 h 21 after AA 1479 arrives on the timetable: more than half a day, so not a connection we count.