DL 5614 then DL 5726 at Boston
Milwaukee → Boston → New York LaGuardia
Timetable, Boston time
16:32DL 5614 from Milwaukee at the gate
16:00DL 5726 to New York LaGuardia leaves the gate
23 h 28 apart on the timetable, overnight
DL 5726 leaves 23 h 28 after DL 5614 arrives on the timetable: more than half a day, so not a connection we count.