DL 420 then AC 3697 at San Francisco
Santa Ana → San Francisco → Salt Lake City
Timetable, San Francisco time
09:56DL 420 from Santa Ana at the gate
18:25AC 3697 to Salt Lake City leaves the gatealso UA 5590, VA 8442, LH 8578
8 h 29 apart on the timetable
The last days
DL 420 and AC 3697 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.