DL 8849 then DL 2380 at Atlanta
Memphis → Atlanta → New York JFK
Timetable, Atlanta time
14:32DL 8849 from Memphis at the gate
11:30DL 2380 to New York JFK leaves the gate
20 h 58 apart on the timetable, overnight
DL 2380 leaves 20 h 58 after DL 8849 arrives on the timetable: more than half a day, so not a connection we count.