DL 1697 then DL 1297 at Boston
Phoenix → Boston → Austin
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
13:05DL 1297 to Austin leaves the gate
16 h 05 apart on the timetable, overnight
DL 1297 leaves 16 h 05 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.