B6 519 then DL 750 at Atlanta
New York JFK → Atlanta → Orlando
Timetable, Atlanta time
09:10B6 519 from New York JFK at the gate
06:05DL 750 to Orlando leaves the gate
20 h 55 apart on the timetable, overnight
DL 750 leaves 20 h 55 after B6 519 arrives on the timetable: more than half a day, so not a connection we count.