CM 2339 then Y4 2484 at San Francisco
Salt Lake City → San Francisco → Los Angeles
Timetable, San Francisco time
20:05CM 2339 from Salt Lake City at the gatealso AC 4239, UA 5457, VA 8448
21:27Y4 2484 to Los Angeles leaves the gatealso F9 2858
1 h 22 apart on the timetable
The last days
CM 2339 and Y4 2484 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.