DL 2335 then 1I 636 at Salt Lake City
Idaho Falls → Salt Lake City → Santa Ana
Timetable, Salt Lake City time
07:15DL 2335 from Idaho Falls at the gate
16:001I 636 to Santa Ana leaves the gate
8 h 45 apart on the timetable
The last days
DL 2335 and 1I 636 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.