AA 3815 then DL 1533 at O'Hare
Hartford → Chicago → Minneapolis
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
15:47DL 1533 to Minneapolis leaves the gate
19 h 32 apart on the timetable, overnight
DL 1533 leaves 19 h 32 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.