DL 2190 then DL 2501 at Atlanta
New York JFK → Atlanta → Memphis
Timetable, Atlanta time
23:18DL 2190 from New York JFK at the gate
22:45DL 2501 to Memphis leaves the gate
23 h 27 apart on the timetable, overnight
DL 2501 leaves 23 h 27 after DL 2190 arrives on the timetable: more than half a day, so not a connection we count.