DL 5052 then DL 4944 at JFK
Charlotte → New York → Burlington
Timetable, New York time
12:40DL 5052 from Charlotte at the gate
12:20DL 4944 to Burlington leaves the gate
23 h 40 apart on the timetable, overnight
DL 4944 leaves 23 h 40 after DL 5052 arrives on the timetable: more than half a day, so not a connection we count.