WN 471 then AS 3155 at Denver
Boise → Denver → San Diego
Timetable, Denver time
15:35WN 471 from Boise at the gate
19:59AS 3155 to San Diego leaves the gate
4 h 24 apart on the timetable
The last days
WN 471 and AS 3155 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.