SAN → DENSan Diego to Denver

live

Direct flights from San Diego (SAN) to Denver (DEN): 125 nonstop departures observed each week across 4 airlines. 86% of the last 21 tracked flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 23 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 29 October 2026 at 16:39 UTC.

Today, SAN → DEN

Thu 29 Oct · local times
WN1329Southwest Airlines23 min late

The SAN board at 09:39 shows departure at 14:33 instead of 14:10, gate 106.

Landing
17:48DEN board estimate · sched 17:25
Later cancelled
0.2%of 24,703 past Southwest Airlines flights whose board showed 20 to 40 min late
Still to leave today
AS635 14:33Alaska Airlines · then WN2019 15:30, UA682 16:18
Track WN1329 →
  1. 06:15 WN3641Southwest Airlines Left 06:18 Landed 09:33 −7
  2. 06:25 F92818Frontier Airlines Left 06:25 Landed 09:49 −10
  3. 06:45 UA1599United Airlines Left 06:45 Landed 09:57 −22
  4. 07:20 WN1934Southwest Airlines Left 07:23 Landed 10:27 −8
  5. 08:00 AS1342Alaska Airlines Left 08:00 DEN est. 10:59In the air · sched 11:32
  6. 08:45 UA2476United Airlines Left 08:45 DEN est. 12:04In the air · sched 12:10
  7. 10:50 WN1840Southwest Airlines On scheduleGate 113 DEN est. 13:59sched 14:05
  8. 11:21 UA2793United Airlines On scheduleGate 44 DEN est. 14:34sched 14:49
  9. 12:39 UA1565United Airlines On scheduleGate 40 DEN 16:08scheduled
  10. 14:10 WN1329Southwest Airlines Est. 14:33 +23Gate 106 DEN est. 17:48 +23sched 17:25
  11. 14:33 AS635Alaska Airlines On scheduleGate 32 DEN est. 17:55sched 18:01
  12. 15:30 WN2019Southwest Airlines Est. 15:31Gate 110 DEN est. 18:46sched 18:45
  13. 16:18 UA682United Airlines On scheduleGate 41 DEN 19:45scheduled
  14. 16:53 F94990Frontier Airlines On scheduleGate 119 DEN 20:25scheduled
  15. 17:55 WN3286Southwest Airlines On scheduleGate 105 DEN 21:10scheduled
  16. 18:30 UA519United Airlines On scheduleGate 41 DEN 21:58scheduled
  17. 20:19 AS3121Alaska Airlines On scheduleGate 22 DEN 23:59scheduled
  18. 21:15 WN4492Southwest Airlines Est. 21:20 +5Gate 107 DEN est. 00:50 +5sched 00:45

Checked SAN board 09:39 · DEN board 10:37

SAN San Diego smooth · +0
DEN Denver smooth · +0
1,371 km · ~2h 15m est.
dep bank 06:15–21:15125x weekly
Runs reliable · 4 airlines · 125x weekly · nonstop
86% on time

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

Median arrival delay is −8 min. 0 of 23 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 21 arrivals
Flight time~2h 15mestimated from route distance
Weekly departures125x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 23

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 AS1342 08:00 daily · AS635 14:33 daily · AS3121 varies daily

Frontier AirlinesF9

Flights F92818 06:25 daily · F94990 16:53 daily

Southwest AirlinesWN75% on time

Flights WN3641 06:15 daily · WN1934 07:20 Mo Th Fr · WN2502 07:55 Su · WN2048 08:20 Tu We

United AirlinesUA86% on time

Flights UA1599 06:45 Mo Tu We Th Su · UA2829 07:00 daily · UA2476 08:45 daily · UA2793 varies daily

History

operated legs · board outcomes
10-29AS1342departed+0
10-29F92818dep +0 → arr−10
10-29UA1599dep +0 → arr−22
10-29UA2476departed+0
10-29WN1934arrived−8
10-29WN3641arrived−7
10-28AS1342dep +0 → arr−24
10-28AS3121dep +0 → arr−11
10-28AS635arrived+15
10-28F92818dep +0 → arr−32
10-28F94990dep +0 → arr−12
10-28UA1565arrived+2
10-28UA1599arrived−8
10-28UA2476arrived−10
10-28UA2793arrived−16
10-28UA519arrived+26
10-28UA682arrived−21
10-28WN1264arrived+3
10-28WN1965arrived−1
10-28WN2048arrived−1
10-28WN2215arrived+46
10-28WN2515arrived+183
10-28WN3641arrived−11

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 🌤 mostly cloudy · 3 kt Full SAN delay board →
DENDenver +0 min smooth 🌤 few clouds · WSW 6 kt Full DEN delay board →

Weather lens

Conditions are tightest at SAN: a 54% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +18 min. Both figures come from the two airports' delay records in similar weather. 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 06:15 and evening departures around 17:45 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 125 flights a week between them. Compare carrier days and times in the airline list above.