AA 642 then AA 3008 at O'Hare
Dallas-Fort Worth → Chicago → Los Angeles
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
12:00AA 3008 to Los Angeles leaves the gate
22 h 50 apart on the timetable, overnight
AA 3008 leaves 22 h 50 after AA 642 arrives on the timetable: more than half a day, so not a connection we count.