DL 924 then DL 2398 at Atlanta
San Diego → Atlanta → New York JFK
Timetable, Atlanta time
19:59DL 924 from San Diego at the gate
15:16DL 2398 to New York JFK leaves the gate
19 h 17 apart on the timetable, overnight
DL 2398 leaves 19 h 17 after DL 924 arrives on the timetable: more than half a day, so not a connection we count.