DL 1684 then DL 2398 at Atlanta
Chattanooga → Atlanta → New York JFK
Timetable, Atlanta time
16:59DL 1684 from Chattanooga at the gate
15:16DL 2398 to New York JFK leaves the gate
22 h 17 apart on the timetable, overnight
DL 2398 leaves 22 h 17 after DL 1684 arrives on the timetable: more than half a day, so not a connection we count.