AA 2604 then AA 3561 at O'Hare
Austin → Chicago → Little Rock
Timetable, Chicago time
20:10AA 2604 from Austin at the gate
19:59AA 3561 to Little Rock leaves the gate
23 h 49 apart on the timetable, overnight
AA 3561 leaves 23 h 49 after AA 2604 arrives on the timetable: more than half a day, so not a connection we count.