DL 514 then DL 5609 at Boston
Phoenix → Boston → New York LaGuardia
Timetable, Boston time
06:23DL 514 from Phoenix at the gate
21:00DL 5609 to New York LaGuardia leaves the gate
14 h 37 apart on the timetable
DL 5609 leaves 14 h 37 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.