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Route · SJC → DEN · 2020–2025 BTS data

San Jose to Denver

The SJC–DEN corridor (San Jose, CA → Denver, CO) runs ahead of the national average, served by 19 carriers across roughly 948 miles.

Data updated 2026-06-13

84.4%
On-time
+5.4 pts
vs US avg
63 min
Delay when late
16,125
Flights

Cancelled

0.5%

Best Month

Nov 2024 91%

Worst Month

Jul 2025 68%

Distance

948 mi

Carriers

19

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 217 35 0 2 WN,UA
Nov 2025 248 25 1 0 UA,F9,WN
Oct 2025 246 31 1 1 UA,WN,F9
Sep 2025 264 48 1 0 UA,WN,F9
Aug 2025 232 64 0 1 WN,F9,UA
Jul 2025 249 79 2 2 UA,WN,F9
Jun 2025 236 70 0 1 OO,UA,WN,F9
May 2025 265 83 0 1 OO,UA,WN,F9
Apr 2025 237 56 1 2 F9,OO,UA,WN
Mar 2025 219 28 0 0 UA,WN,F9
Feb 2025 222 22 0 0 UA,WN,F9
Jan 2025 241 30 2 0 UA,WN,F9
Dec 2024 273 28 0 0 F9,UA,WN
Nov 2024 289 26 0 0 UA,WN,F9
Oct 2024 292 35 0 0 UA,WN,F9
Sep 2024 298 30 0 1 WN,UA,F9
Aug 2024 306 48 3 1 F9,WN,UA
Jul 2024 282 47 4 1 F9,UA,WN
Jun 2024 290 60 2 2 UA,WN
May 2024 271 35 2 0 UA,WN
Apr 2024 226 26 0 1 UA,WN
Mar 2024 214 26 3 0 UA,WN
Feb 2024 211 32 3 0 UA,WN
Jan 2024 227 34 6 0 WN,UA

Cancellation Rate

0.5%

31 of 6,055 flights

Diversion Rate

0.3%

16 of 6,055 flights

What the Data Says About SJC to DEN

Bureau of Transportation Statistics records show San Jose to Denver (SJC to DEN) running a 84.4% on-time rate over 16,125 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 63.4 minutes. The 948-mile corridor is served by 19 carriers, and over the last 24 months 0.5% of 6,055 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 68% - a 23-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SJC to DEN?
Flights from San Jose to Denver have a 84.4% on-time rate based on 16,125 flights. The average delay is 63.4 minutes. The best recent month was Nov 2024 with 91% on-time.
What is the cancellation rate for SJC to DEN?
Over the last 24 months, 0.5% of flights on this route were cancelled (31 of 6,055 flights) and 0.3% were diverted.
How far is the flight from SJC to DEN?
The flight distance from San Jose (SJC) to Denver (DEN) is approximately 948 miles. This route is served by 19 carriers.
When is the best time to fly from SJC to DEN?
The best recent month for on-time performance was Nov 2024 (91% on-time). The worst was Jul 2025 (68% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.