DEN → SANDenver to San Diego

live

Direct flights from Denver (DEN) to San Diego (SAN): 108 nonstop departures observed each week across 4 airlines. The median arrival is 15 minutes early. 2 of the 24 tracked flights were cancelled. 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 14 November 2026 at 00:40 UTC.

Today, DEN → SAN

Fri 13 Nov · local times
UA1302United Airlines395 min late

The DEN board at 17:40 shows departure at 20:00 instead of 13:25, gate B19.

Landing
21:17SAN board estimate · sched 14:55
Later cancelled
2.6%of 6,875 past United Airlines flights whose board showed 70 min or more late
Still to leave today
AS1342 18:00Alaska Airlines · then WN1779 14:30, F92817 14:38
Track UA1302 →
AS1342Alaska Airlines245 min late

The DEN board at 17:40 shows departure at 18:00 instead of 13:55, gate A44.

Landing
18:01SAN board estimate · sched 15:27
Later cancelled
2.5%of 2,213 past Alaska Airlines flights whose board showed 70 min or more late
Still to leave today
WN1779 18:30Southwest · then F92817 14:38, UA1281 15:45
Track AS1342 →
  1. 07:15 WN4545Southwest Cancelled ·
  2. 07:40 UA2309United Airlines Left 07:36 ·
  3. 08:20 AS3059Alaska Airlines Left 08:33 +13 Landed 09:48 −17
  4. 08:35 WN1308Southwest Airlines Left 08:43 +8 ·
  5. 11:25 UA1940United Airlines Left 11:22 Landed 12:41 −15
  6. 12:20 WN1778Southwest Airlines Left 13:04 +44 ·
  7. 13:25 UA1302United Airlines Est. 20:00 +395Gate B19 SAN est. 21:17 +382sched 14:55
  8. 13:55 AS1342Alaska Airlines Est. 18:00 +245Gate A44 SAN est. 18:01 +154sched 15:27
  9. 14:30 WN1779Southwest Est. 18:30 +240Gate C42 SAN est. 19:45 +235sched 15:50
  10. 14:38 F92817Frontier Airlines Est. 18:30 +232Gate A81 SAN est. 19:45 +217sched 16:08
  11. 15:45 UA1281United Airlines Est. 20:00 +255Gate A25 SAN est. 21:14 +239sched 17:15
  12. 17:25 WN1780Southwest Est. 20:02 +157Gate C63 SAN est. 21:32 +167sched 18:45
  13. 19:05 UA540United Est. 21:00 +115Gate A19 SAN est. 22:31 +115sched 20:36
  14. 19:59 AS3155Alaska Airlines On scheduleGate A46 SAN 21:46scheduled
  15. 20:50 WN1781Southwest Est. 01:50 +300Gate C57 SAN est. 03:20 +300sched 22:20
  16. 21:00 UA2395United On scheduleGate A19 SAN 22:30scheduled
  17. 22:29 F92711Frontier Est. 00:31 +122Gate A73 SAN about 01:30sched 23:57

Checked DEN board 17:40 · SAN board 16:34

DEN Denver disrupted · +158
SAN San Diego disrupted · +125
1,371 km · ~2h 15m est.
dep bank 07:15–22:29108x weekly
Disrupted · 4 airlines · 108x weekly · nonstop
0 / 100

route health from live DEN and SAN delay boards

Median arrival delay is −15 min. 2 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−15 minacross the last 2 arrivals
Flight time~2h 15mestimated from route distance
Weekly departures108x4 direct airlines on the leg
Cancelled8.3%recent route rate · 2 of 24

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 AirlinesAS

Flights AS3059 08:20 daily · AS1342 13:55 daily · AS3155 19:59 Mo Th Fr Su

Frontier AirlinesF9

Flights F92817 varies daily · F92711 22:29 daily

Southwest AirlinesWN

Flights WN4545 07:15 Mo Tu We Th Fr Su · WN1308 varies daily · WN24 12:05 Tu We · WN1778 12:20 Mo Th Fr Su

History

operated legs · board outcomes
11-14UA1940cancelledCNX
11-13AS3059dep +13 → arr−17
11-13UA1940dep −3 → arr−15
11-13UA2309departed−4
11-13WN1308departed+8
11-13WN1778departed+44
11-13WN4545cancelledCNX
11-12AS1342departed−16
11-12AS3059departed+5
11-12AS3155departed−1
11-12F92711departed+67
11-12F92817departed+9
11-12UA1281departed+9
11-12UA1302departed+19
11-12UA1940departed+89
11-12UA2309departed−5
11-12UA2395departed+95
11-12UA540departed+10
11-12WN1308departed+44
11-12WN1778departed+29
11-12WN1779departed+35
11-12WN1780departed+28
11-12WN1781departed+15
11-12WN4545departed−1

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 +158 min disrupted 🌤 mostly cloudy · NW 6 kt Full DEN delay board →
SANSan Diego +125 min disrupted 🌤 mostly cloudy · SW 6 kt Full SAN delay board →

Weather lens

Conditions are tightest at SAN: a 50% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +15 min. Both figures come from the two airports' delay records in similar weather. 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?

High disruption likely. Both endpoints currently score the same, route health score 0/100. 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 07:15 and evening departures around 17:25 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 108 flights a week between them. Compare carrier days and times in the airline list above.