AV 2359 then UA 2179 at San Francisco
Salt Lake City → San Francisco → Los Angeles
Timetable, San Francisco time
10:28AV 2359 from Salt Lake City at the gate
22:50UA 2179 to Los Angeles leaves the gatealso VA 8051, NZ 9254
12 h 22 apart on the timetable
UA 2179 leaves 12 h 22 after AV 2359 arrives on the timetable: more than half a day, so not a connection we count.