DL 1697 then DL 2222 at Boston
Phoenix → Boston → Detroit
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
13:00DL 2222 to Detroit leaves the gate
16 h apart on the timetable, overnight
DL 2222 leaves 16 h after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.