DL 514 then AA 338 at Phoenix
Boston → Phoenix → Chicago O'Hare
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
12:23AA 338 to Chicago O'Hare leaves the gate
14 h 30 apart on the timetable, overnight
AA 338 leaves 14 h 30 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.