DEN → SANDenver to San Diego

live

Direct flights from Denver (DEN) to San Diego (SAN): 108 nonstop departures observed each week across 4 airlines. 20% of the last 15 tracked flights arrived within 15 minutes of schedule. The median arrival is 21 minutes early. 12 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 15 November 2026 at 01:25 UTC.

Today, DEN → SAN

Sat 14 Nov · local times
UA1302United AirlinesIn the air, 16 min late

Left DEN at 13:41, 16 min after its 13:25 slot.

Track UA1302 →
  1. 07:40 UA2309United Airlines Cancelled ·
  2. 08:20 AS3059Alaska Airlines Cancelled ·
  3. 08:45 WN1308Southwest Airlines Left 08:50 +5 ·
  4. 11:25 UA1940United Airlines Cancelled ·
  5. 13:25 UA1302United Airlines Left 13:41 +16 ·
  6. 13:55 AS1342Alaska Airlines Left 13:56 Landed 15:06 −21
  7. 14:28 F92817Frontier Airlines Left 14:18 Landed 15:28 −30
  8. 15:45 UA1281United Airlines Cancelled ·
  9. 16:05 WN1484Southwest Left 16:10 +5 Landed 17:16 −9
  10. 19:05 UA540United Cancelled ·
  11. 19:35 WN1781Southwest Est. 19:49 +14Gate C23 SAN est. 21:02sched 21:05
  12. 22:29 F92711Frontier On scheduleGate A76 SAN 23:57scheduled

Checked DEN board 18:08 · SAN board 17:25

DEN Denver heavy · +33
SAN San Diego busy · +15
1,371 km · ~2h 15m est.
dep bank 07:15–22:29108x weekly
Runs rough · 4 airlines · 108x weekly · nonstop
20% on time

of the last 15 tracked DEN → SAN flights arrived within 15 minutes

Median arrival delay is −21 min. 12 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−21 minacross the last 3 arrivals
Flight time~2h 15mestimated from route distance
Weekly departures108x4 direct airlines on the leg
Cancelled50.0%recent route rate · 12 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

United AirlinesUA0% on time

Flights UA2309 07:40 daily · UA1940 11:25 daily · UA1302 13:25 daily · UA1281 15:45 daily

History

operated legs · board outcomes
11-15UA2309cancelledCNX
11-14AS1342dep +1 → arr−21
11-14AS3059cancelledCNX
11-14F92817dep −10 → arr−30
11-14UA1281cancelledCNX
11-14UA1302departed+16
11-14UA1940cancelledCNX
11-14UA2309cancelledCNX
11-14UA540cancelledCNX
11-14WN1308departed+5
11-14WN1484dep +5 → arr−9
11-13AS3059departed+13
11-13AS3155cancelledCNX
11-13F92711cancelledCNX
11-13F92817cancelledCNX
11-13UA1940departed−3
11-13UA2309departed−4
11-13UA2395cancelledCNX
11-13WN1308departed+8
11-13WN1778departed+44
11-13WN1779departed+338
11-13WN1780departed+297
11-13WN1781cancelledCNX
11-13WN4545cancelledCNX

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 +33 min heavy 🌤 mostly cloudy · NW 10 kt Full DEN delay board →
SANSan Diego +15 min busy 🌤 scattered clouds · WNW 4 kt Full SAN delay board →

Weather lens

Conditions are tightest at SAN: a 51% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +17 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?

Mostly on schedule. The departure side at DEN is the weaker end, route health score 68/100. 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.