DEN → SANDenver to San Diego

live

Direct flights from Denver (DEN) to San Diego (SAN): 28 nonstop departures observed each week across 4 airlines. 80% of the last 25 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes early. No cancellations were recorded across the 25 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 Denver and San Diego. Updated 9 September 2026 at 20:06 UTC.

DEN Denver smooth · +0
SAN San Diego smooth · +0
1,371 km · ~2h 15m est.
dep bank 06:20–22:2928x weekly
Runs reliable · 4 airlines · 28x weekly · nonstop
80% on time

of the last 25 operated DEN → SAN flights arrived within 15 minutes

Median arrival delay is −3 min. 0 of 25 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−3 minacross the last 25 operated legs
Flight time~2h 15mestimated from route distance
Weekly departures28x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 25

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 AirlinesAS100% on time

Flights AS1424 06:20 daily · AS1422 13:43 daily · AS3029 20:06 daily

Frontier AirlinesF9

Flights F92421 07:40 daily · F94989 22:29 daily

Southwest AirlinesWN64% on time

Flights WN536 07:35 Tu We · WN967 07:55 Mo Th Fr · WN1657 varies daily · WN1658 varies daily

United AirlinesUA88% on time

Flights UA2309 07:43 daily · UA1940 11:15 daily · UA1302 13:25 daily · UA1281 15:35 daily

History

operated legs · board outcomes
09-09AS1422dep −6 → arr−19
09-09AS1424dep −10 → arr−25
09-09UA1302dep −2 → arr−15
09-09UA1940dep −3 → arr−6
09-09UA2309departed+64
09-09WN1405dep −6 → arr−10
09-09WN1655dep +17 → arr+4
09-09WN1657departed−1
09-09WN536departed−1
09-08AS1422departed−6
09-08AS1424departed−11
09-08AS3029departed−3
09-08F92421departed−5
09-08UA1281departed−4
09-08UA1302departed−5
09-08UA1940departed−11
09-08UA2309departed−4
09-08UA540departed+9
09-08WN1405departed+4
09-08WN1655departed+0
09-08WN1657departed+20
09-08WN1658departed+47
09-08WN1659departed+21
09-08WN4022departed+22
09-08WN536departed−3

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
DENDenver +0 min smooth 🌤 scattered clouds · NE 10 kt Full DEN delay board →
SANSan Diego +0 min smooth 🌤 scattered clouds · NW 3 kt Full SAN 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 Denver to San Diego route actually runs

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

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

DEN to SAN questions

Is DEN–SAN 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 DEN–SAN?

Operators schedule morning departures around 06:20 and evening departures around 17:20 from DEN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SAN delay card to confirm conditions when you'd arrive.

How long is the flight from DEN to SAN?

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 DEN–SAN fly?

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