DL 1697 then DL 5598 at Boston
Phoenix → Boston → Cincinnati
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
11:29DL 5598 to Cincinnati leaves the gate
14 h 29 apart on the timetable, overnight
DL 5598 leaves 14 h 29 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.