B6 519 then DL 1637 at Atlanta
New York JFK → Atlanta → Wichita
Timetable, Atlanta time
09:16B6 519 from New York JFK at the gate
09:15DL 1637 to Wichita leaves the gate
23 h 59 apart on the timetable, overnight
DL 1637 leaves 23 h 59 after B6 519 arrives on the timetable: more than half a day, so not a connection we count.