DL 5761 then DL 5647 at Boston
New York LaGuardia → Boston → Savannah
Timetable, Boston time
13:21DL 5761 from New York LaGuardia at the gate
11:06DL 5647 to Savannah leaves the gate
21 h 45 apart on the timetable, overnight
DL 5647 leaves 21 h 45 after DL 5761 arrives on the timetable: more than half a day, so not a connection we count.