SAN → DENSan Diego to Denver

live

Direct flights from San Diego (SAN) to Denver (DEN): 28 nonstop departures observed each week across 4 airlines. 86% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 14 minutes early. No cancellations were recorded across the 21 tracked flights. The nonstop covers 1,371 km, an estimated 2 hours 15 minutes in the air. Measured by Pro Flight Search from live flight boards at San Diego and Denver. Updated 9 September 2026 at 18:38 UTC.

SAN San Diego smooth · +0
DEN Denver smooth · +0
1,371 km · ~2h 15m est.
dep bank 06:25–19:5028x weekly
Runs reliable · 4 airlines · 28x weekly · nonstop
86% on time

of the last 21 operated SAN → DEN flights arrived within 15 minutes

Median arrival delay is −14 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−14 minacross the last 21 operated legs
Flight time~2h 15mestimated from route distance
Weekly departures28x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 21

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesFrontier AirlinesSouthwest AirlinesUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS80% on time

Flights AS1422 08:48 daily · AS3029 15:51 daily · AS1423 varies daily

Frontier AirlinesF9

Flights F92818 06:25 daily · F94990 15:45 daily

Southwest AirlinesWN83% on time

Flights WN1912 06:35 Mo Th Fr Sa Su · WN3411 06:45 Tu We Sa · WN330 09:00 Mo Th Fr · WN3412 09:35 Tu We

United AirlinesUA100% on time

Flights UA1241 06:30 Tu We · UA2045 06:30 daily · UA2476 08:45 daily · UA2793 11:00 daily

History

operated legs · board outcomes
09-09AS1422dep +0 → arr−24
09-09F92818arrived+39
09-09UA1241arrived−24
09-09UA2476arrived−30
09-09WN3411arrived+12
09-08AS1422arrived−16
09-08AS1423arrived−21
09-08AS3029arrived−4
09-08F92818arrived−29
09-08F94990arrived+8
09-08UA1241arrived−14
09-08UA1565arrived−11
09-08UA2476arrived−21
09-08UA2793arrived−15
09-08UA682arrived−7
09-08WN1435arrived+11
09-08WN1991arrived+27
09-08WN3411arrived−14
09-08WN3412arrived−14
09-08WN3414arrived+12
09-07AS1423arrived+28

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SANSan Diego +0 min smooth 🌤 scattered clouds · NW 3 kt Full SAN delay board →
DENDenver +0 min smooth 🌤 scattered clouds · NE 10 kt Full DEN delay board →

Weather lens

Current conditions put the pressure at SAN: 54% odds of a 15+ minute delay and around +17 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the San Diego to Denver route actually runs

Pro Flight Search records official board updates for nonstop SAN to DEN flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — San Diego (SAN) to Denver (DEN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SAN-DEN
How we measure this →

SAN to DEN questions

Is SAN–DEN running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SAN–DEN?

Operators schedule morning departures around 06:25 and evening departures around 18:55 from SAN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.

How long is the flight from SAN to DEN?

Great-circle distance is 1,371 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 127–148 min gate-to-gate on this route.

How often does SAN–DEN fly?

4 carriers operate this route, around 123 flights a week between them. Compare carrier days and times in the airline list above.