DL 905 then DL 1575 at Atlanta
Salt Lake City → Atlanta → New York JFK
Timetable, Atlanta time
22:51DL 905 from Salt Lake City at the gate
14:03DL 1575 to New York JFK leaves the gate
15 h 12 apart on the timetable, overnight
DL 1575 leaves 15 h 12 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.