AA 2123 then AA 3561 at O'Hare
Los Angeles → Chicago → Little Rock
Timetable, Chicago time
20:04AA 2123 from Los Angeles at the gate
19:59AA 3561 to Little Rock leaves the gate
23 h 55 apart on the timetable, overnight
AA 3561 leaves 23 h 55 after AA 2123 arrives on the timetable: more than half a day, so not a connection we count.