DL 823 then B6 816 at San Francisco
Atlanta → San Francisco → New York JFK
Timetable, San Francisco time
17:25DL 823 from Atlanta at the gatealso AF 2478, AM 3256, VS 5291
16:25B6 816 to New York JFK leaves the gate
23 h apart on the timetable, overnight
B6 816 leaves 23 h after DL 823 arrives on the timetable: more than half a day, so not a connection we count.