Route · PDX → DEN · 2020–2025 BTS data
Portland to Denver
The PDX–DEN corridor (Portland, OR → Denver, CO) runs ahead of the national average, served by 27 carriers across roughly 991 miles.
Data updated 2026-06-13
- 84.1%
- On-time
- +5.1 pts
- vs US avg
- 64 min
- Delay when late
- 23,123
- Flights
Cancelled
0.8%
Best Month
Mar 2025 92%
Worst Month
Jul 2025 65%
Distance
991 mi
Carriers
27
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 346 | 81 | 1 | 1 | WN,F9,AS,UA,OO |
| Nov 2025 | 344 | 33 | 7 | 1 | UA,F9,AS,WN |
| Oct 2025 | 395 | 56 | 0 | 0 | AS,OO,UA,WN,F9 |
| Sep 2025 | 395 | 87 | 1 | 1 | UA,WN,F9,AS |
| Aug 2025 | 436 | 106 | 2 | 4 | WN,F9,UA,AS |
| Jul 2025 | 461 | 163 | 6 | 8 | AS,UA,WN,F9 |
| Jun 2025 | 443 | 129 | 2 | 8 | AS,UA,WN,F9 |
| May 2025 | 402 | 99 | 3 | 2 | AS,UA,WN,F9 |
| Apr 2025 | 344 | 72 | 1 | 1 | F9,UA,WN,AS |
| Mar 2025 | 327 | 27 | 1 | 1 | AS,UA,WN,F9 |
| Feb 2025 | 279 | 32 | 0 | 0 | AS,UA,WN,F9 |
| Jan 2025 | 310 | 48 | 2 | 2 | AS,UA,WN,F9 |
| Dec 2024 | 350 | 45 | 1 | 0 | AS,F9,UA,WN |
| Nov 2024 | 366 | 40 | 3 | 0 | UA,WN,AS,F9 |
| Oct 2024 | 373 | 36 | 1 | 0 | UA,AS,WN,F9 |
| Sep 2024 | 413 | 48 | 0 | 0 | WN,UA,AS,F9 |
| Aug 2024 | 437 | 78 | 3 | 2 | AS,F9,WN,UA |
| Jul 2024 | 464 | 77 | 7 | 1 | AS,F9,UA,WN |
| Jun 2024 | 431 | 101 | 5 | 2 | AS,F9,OO,UA,WN |
| May 2024 | 378 | 74 | 6 | 0 | AS,F9,OO,UA,WN |
| Apr 2024 | 346 | 51 | 1 | 0 | AS,F9,UA,WN |
| Mar 2024 | 332 | 43 | 3 | 0 | AS,F9,UA,WN |
| Feb 2024 | 279 | 36 | 1 | 2 | AS,F9,UA,WN |
| Jan 2024 | 299 | 53 | 18 | 0 | AS,F9,WN,UA |
Cancellation Rate
0.8%
75 of 8,950 flights
Diversion Rate
0.4%
36 of 8,950 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PDX - Portland
Full on-time, delay-cause, and seasonal performance for Portland, OR.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See PDX and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PDX–DEN.
Routes with a similar on-time rate
What the Data Says About PDX to DEN
Bureau of Transportation Statistics records show Portland to Denver (PDX to DEN) running a 84.1% on-time rate over 23,123 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 63.8 minutes. The 991-mile corridor is served by 27 carriers, and over the last 24 months 0.8% of 8,950 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Mar 2025 posted the strongest performance at 92% on-time, while Jul 2025 came in at just 65% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.