DL 1697 then UA 563 at Boston
Phoenix → Boston → Chicago O'Hare
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
17:02UA 563 to Chicago O'Hare leaves the gate
20 h 02 apart on the timetable, overnight
UA 563 leaves 20 h 02 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.