DL 2190 then DL 818 at Atlanta
New York JFK → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
23:18DL 2190 from New York JFK at the gate
22:49DL 818 to Dallas-Fort Worth leaves the gate
23 h 31 apart on the timetable, overnight
DL 818 leaves 23 h 31 after DL 2190 arrives on the timetable: more than half a day, so not a connection we count.