F9 3409 then DL 2398 at Atlanta
Detroit → Atlanta → New York JFK
Timetable, Atlanta time
17:16F9 3409 from Detroit at the gate
15:16DL 2398 to New York JFK leaves the gate
22 h apart on the timetable, overnight
DL 2398 leaves 22 h after F9 3409 arrives on the timetable: more than half a day, so not a connection we count.