DL 1697 then DL 1748 at Boston
Phoenix → Boston → Detroit
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
09:15DL 1748 to Detroit leaves the gate
12 h 15 apart on the timetable, overnight
DL 1748 leaves 12 h 15 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.