DL 1697 then DL 1724 at Boston
Phoenix → Boston → Chicago O'Hare
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
16:25DL 1724 to Chicago O'Hare leaves the gate
19 h 25 apart on the timetable, overnight
DL 1724 leaves 19 h 25 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.