DL 2904 then DL 434 at Atlanta
San Jose (California) → Atlanta → New York LaGuardia
Timetable, Atlanta time
05:42DL 2904 from San Jose (California) at the gate
18:00DL 434 to New York LaGuardia leaves the gate
12 h 18 apart on the timetable
DL 434 leaves 12 h 18 after DL 2904 arrives on the timetable: more than half a day, so not a connection we count.