AA 1138 then DL 996 at Atlanta
Chicago O'Hare → Atlanta → Los Angeles
Timetable, Atlanta time
16:02AA 1138 from Chicago O'Hare at the gate
07:00DL 996 to Los Angeles leaves the gate
14 h 58 apart on the timetable, overnight
DL 996 leaves 14 h 58 after AA 1138 arrives on the timetable: more than half a day, so not a connection we count.