DL 1697 then DL 456 at Boston
Phoenix → Boston → Atlanta
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
09:05DL 456 to Atlanta leaves the gate
12 h 05 apart on the timetable, overnight
DL 456 leaves 12 h 05 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.