GateConnections

AA 2403 then DL 2398 at Atlanta

Dallas-Fort Worth → Atlanta → New York JFK

Timetable, Atlanta time

19:14AA 2403 from Dallas-Fort Worth at the gate

15:16DL 2398 to New York JFK leaves the gate

20 h 02 apart on the timetable, overnight

DL 2398 leaves 20 h 02 after AA 2403 arrives on the timetable: more than half a day, so not a connection we count.