DL 5374 then DL 2398 at Atlanta
Columbus (Georgia) → Atlanta → New York JFK
Timetable, Atlanta time
20:59DL 5374 from Columbus (Georgia) at the gate
15:16DL 2398 to New York JFK leaves the gate
18 h 17 apart on the timetable, overnight
DL 2398 leaves 18 h 17 after DL 5374 arrives on the timetable: more than half a day, so not a connection we count.