DL 5739 then DL 5837 at Boston
New York LaGuardia → Boston → Charlotte
Timetable, Boston time
15:15DL 5739 from New York LaGuardia at the gate
15:10DL 5837 to Charlotte leaves the gate
23 h 55 apart on the timetable, overnight
DL 5837 leaves 23 h 55 after DL 5739 arrives on the timetable: more than half a day, so not a connection we count.