DL 1697 then AA 4389 at Boston
Phoenix → Boston → Columbus (Ohio)
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
09:04AA 4389 to Columbus (Ohio) leaves the gate
12 h 04 apart on the timetable, overnight
AA 4389 leaves 12 h 04 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.