DL 1697 then DL 2057 at Boston
Phoenix → Boston → Dallas-Fort Worth
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
12:55DL 2057 to Dallas-Fort Worth leaves the gate
15 h 55 apart on the timetable, overnight
DL 2057 leaves 15 h 55 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.