Route · SJC → DEN · 2020–2025 BTS data
San Jose to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SJC to DEN (San Jose to Denver) ranks #563 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 63 min
- Delay when late
- 16,125
- Flights
- #563 of 4927
- Corpus placement
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 |
SJC–DEN seasonal on-time pattern
Best: November (91.4%) · weakest: July (76.7%)
Strongest calendar month
November
91.4% on-time · ~237 flights/mo
Busiest calendar month
September
~250 flights/mo avg
Weakest calendar month
July
76.7% on-time · ~242 flights/mo
Cancellation Rate
0.5%
31 of 6,055 flights
Diversion Rate
0.3%
16 of 6,055 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
SJC on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See SJC and DEN side by side on delays, cancellations, and reliability.
Compare SJC vs DENOrigin-hub reliability standing
Mid-pack among SJC departures
From SJC, this corridor sits with 9 other 75–85% on-time routes out of 31 tracked departures, not the hub's reliability leaders (21 at ≥85%) and not the softest ( 1 below 75%). Destination: Denver · fleet on-time rank #1455 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJC–DEN.
Routes with a similar on-time rate
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.
On the multi-year calendar, SJC–DEN peaks in November at 91.4% on-time while September carries the heaviest traffic (~250 flights per month) ; the softest month is July at 76.7%, a 14.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SJC to DEN rank among US routes by traffic? ▼
How often are flights delayed from SJC to DEN? ▼
What is the cancellation rate for SJC to DEN? ▼
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Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using SJC–DEN data
SJC–DEN runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SJC and DEN airport profiles: delay causes and top routes differ even on the same corridor. SJC airport
- If your dates flex, November (91.4% on-time) beats July (76.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.