DL 1697 then B6 1237 at Boston
Phoenix → Boston → Detroit
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
14:31B6 1237 to Detroit leaves the gate
17 h 31 apart on the timetable, overnight
B6 1237 leaves 17 h 31 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.