DL 5696 then DL 9964 at Boston
New York LaGuardia → Boston → Detroit
Timetable, Boston time
07:15DL 5696 from New York LaGuardia at the gate
21:30DL 9964 to Detroit leaves the gate
14 h 15 apart on the timetable
DL 9964 leaves 14 h 15 after DL 5696 arrives on the timetable: more than half a day, so not a connection we count.