DL 1091 then AM 3851 at San Francisco
Salt Lake City → San Francisco → Atlanta
Timetable, San Francisco time
23:55DL 1091 from Salt Lake City at the gatealso VS 4542
23:30AM 3851 to Atlanta leaves the gate
23 h 35 apart on the timetable, overnight
AM 3851 leaves 23 h 35 after DL 1091 arrives on the timetable: more than half a day, so not a connection we count.