DL 2973 then DL 2398 at Atlanta
White Plains → Atlanta → New York JFK
Timetable, Atlanta time
15:24DL 2973 from White Plains at the gate
15:16DL 2398 to New York JFK leaves the gate
23 h 52 apart on the timetable, overnight
DL 2398 leaves 23 h 52 after DL 2973 arrives on the timetable: more than half a day, so not a connection we count.