DL 990 then DL 996 at Atlanta
New York LaGuardia → Atlanta → Los Angeles
Timetable, Atlanta time
14:25DL 990 from New York LaGuardia at the gate
07:00DL 996 to Los Angeles leaves the gate
16 h 35 apart on the timetable, overnight
DL 996 leaves 16 h 35 after DL 990 arrives on the timetable: more than half a day, so not a connection we count.