DL 974 then DL 9970 at Atlanta
New York LaGuardia → Atlanta → Los Angeles
Timetable, Atlanta time
17:32DL 974 from New York LaGuardia at the gate
17:01DL 9970 to Los Angeles leaves the gate
23 h 29 apart on the timetable, overnight
DL 9970 leaves 23 h 29 after DL 974 arrives on the timetable: more than half a day, so not a connection we count.