DL 2545 then DL 2398 at Atlanta
Cleveland → Atlanta → New York JFK
Timetable, Atlanta time
19:12DL 2545 from Cleveland at the gate
15:16DL 2398 to New York JFK leaves the gate
20 h 04 apart on the timetable, overnight
DL 2398 leaves 20 h 04 after DL 2545 arrives on the timetable: more than half a day, so not a connection we count.