DL 5604 then AA 3067 at Boston
Memphis → Boston → Chicago O'Hare
Timetable, Boston time
13:35DL 5604 from Memphis at the gate
12:00AA 3067 to Chicago O'Hare leaves the gate
22 h 25 apart on the timetable, overnight
AA 3067 leaves 22 h 25 after DL 5604 arrives on the timetable: more than half a day, so not a connection we count.