DL 2978 then DL 996 at Atlanta
Cleveland → Atlanta → Los Angeles
Timetable, Atlanta time
12:57DL 2978 from Cleveland at the gate
07:00DL 996 to Los Angeles leaves the gate
18 h 03 apart on the timetable, overnight
DL 996 leaves 18 h 03 after DL 2978 arrives on the timetable: more than half a day, so not a connection we count.