AA 3815 then AA 3794 at O'Hare
Hartford → Chicago → Dallas-Fort Worth
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
19:10AA 3794 to Dallas-Fort Worth leaves the gate
22 h 55 apart on the timetable, overnight
AA 3794 leaves 22 h 55 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.