F9 2496 then DL 2398 at Atlanta
Dallas-Fort Worth → Atlanta → New York JFK
Timetable, Atlanta time
16:20F9 2496 from Dallas-Fort Worth at the gate
15:16DL 2398 to New York JFK leaves the gate
22 h 56 apart on the timetable, overnight
DL 2398 leaves 22 h 56 after F9 2496 arrives on the timetable: more than half a day, so not a connection we count.