AA 2910 then DL 996 at Atlanta
Chicago O'Hare → Atlanta → Los Angeles
Timetable, Atlanta time
14:35AA 2910 from Chicago O'Hare at the gate
07:00DL 996 to Los Angeles leaves the gate
16 h 25 apart on the timetable, overnight
DL 996 leaves 16 h 25 after AA 2910 arrives on the timetable: more than half a day, so not a connection we count.