DL 905 then B6 120 at Atlanta
Salt Lake City → Atlanta → New York JFK
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
14:20B6 120 to New York JFK leaves the gate
15 h 20 apart on the timetable, overnight
B6 120 leaves 15 h 20 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.