F9 1123 then DL 2398 at Atlanta
Fort Lauderdale → Atlanta → New York JFK
Timetable, Atlanta time
19:48F9 1123 from Fort Lauderdale at the gate
15:16DL 2398 to New York JFK leaves the gate
19 h 28 apart on the timetable, overnight
DL 2398 leaves 19 h 28 after F9 1123 arrives on the timetable: more than half a day, so not a connection we count.