AA 3033 then DL 996 at Atlanta
Chicago O'Hare → Atlanta → Los Angeles
Timetable, Atlanta time
18:16AA 3033 from Chicago O'Hare at the gate
07:00DL 996 to Los Angeles leaves the gate
12 h 44 apart on the timetable, overnight
DL 996 leaves 12 h 44 after AA 3033 arrives on the timetable: more than half a day, so not a connection we count.