DL 1697 then AA 1260 at Boston
Phoenix → Boston → Chicago O'Hare
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
16:41AA 1260 to Chicago O'Hare leaves the gate
19 h 41 apart on the timetable, overnight
AA 1260 leaves 19 h 41 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.