AA 1162 then DL 996 at Atlanta
Chicago O'Hare → Atlanta → Los Angeles
Timetable, Atlanta time
15:34AA 1162 from Chicago O'Hare at the gate
07:00DL 996 to Los Angeles leaves the gate
15 h 26 apart on the timetable, overnight
DL 996 leaves 15 h 26 after AA 1162 arrives on the timetable: more than half a day, so not a connection we count.