DL 8903 then DL 2398 at Atlanta
Champaign → Atlanta → New York JFK
Timetable, Atlanta time
21:22DL 8903 from Champaign at the gate
15:16DL 2398 to New York JFK leaves the gate
17 h 54 apart on the timetable, overnight
DL 2398 leaves 17 h 54 after DL 8903 arrives on the timetable: more than half a day, so not a connection we count.