DL 905 then DL 823 at Atlanta
Salt Lake City → Atlanta → San Francisco
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
14:49DL 823 to San Francisco leaves the gate
15 h 49 apart on the timetable, overnight
DL 823 leaves 15 h 49 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.