Route · DEN → PSC · 2020–2025 BTS data
Denver to Pasco/Kennewick/Richland
The DEN–PSC corridor (Denver, CO → Pasco/Kennewick/Richland, WA) runs ahead of the national average, served by 3 carriers across roughly 852 miles.
Data updated 2026-06-13
- 80.7%
- On-time
- +1.7 pts
- vs US avg
- 71 min
- Delay when late
- 4,225
- Flights
Cancelled
0.2%
Best Month
Dec 2024 92%
Worst Month
Aug 2025 65%
Distance
852 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 63 | 19 | 0 | 1 | UA,OO |
| Nov 2025 | 59 | 5 | 0 | 0 | OO,UA |
| Oct 2025 | 62 | 10 | 0 | 0 | OO,UA |
| Sep 2025 | 60 | 6 | 0 | 0 | UA,OO |
| Aug 2025 | 62 | 22 | 0 | 0 | OO,UA |
| Jul 2025 | 62 | 17 | 1 | 0 | OO,UA |
| Jun 2025 | 60 | 14 | 0 | 0 | OO,UA |
| May 2025 | 62 | 17 | 0 | 1 | OO,UA |
| Apr 2025 | 60 | 16 | 0 | 0 | OO,UA |
| Mar 2025 | 63 | 11 | 0 | 0 | OO,UA |
| Feb 2025 | 57 | 14 | 0 | 0 | OO |
| Jan 2025 | 62 | 16 | 0 | 0 | OO |
| Dec 2024 | 62 | 5 | 0 | 1 | OO |
| Nov 2024 | 59 | 9 | 1 | 0 | OO |
| Oct 2024 | 62 | 7 | 0 | 0 | OO |
| Sep 2024 | 60 | 5 | 0 | 0 | OO |
| Aug 2024 | 62 | 17 | 0 | 0 | OO |
| Jul 2024 | 62 | 13 | 0 | 0 | OO |
| Jun 2024 | 60 | 13 | 0 | 0 | OO |
| May 2024 | 61 | 19 | 0 | 0 | OO |
| Apr 2024 | 60 | 11 | 0 | 0 | OO |
| Mar 2024 | 62 | 5 | 1 | 0 | OO |
| Feb 2024 | 58 | 17 | 0 | 0 | OO |
| Jan 2024 | 63 | 17 | 0 | 1 | OO |
Cancellation Rate
0.2%
3 of 1,463 flights
Diversion Rate
0.3%
4 of 1,463 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →PSC - Pasco/Kennewick/Richland
Full on-time, delay-cause, and seasonal performance for Pasco/Kennewick/Richland, WA.
Destination airport →Compare the two airports
See DEN and PSC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–PSC.
Routes with a similar on-time rate
What the Data Says About DEN to PSC
4,225 tracked flights put the DEN to PSC pairing (Denver to Pasco/Kennewick/Richland) at a 80.7% on-time rate, squarely in line with the wider network. Delays that do occur run 70.7 minutes on average. Across the 852-mile route and its 3 carriers, the trailing 24 months show 0.2% cancelled and 0.3% diverted (1,463 flights sampled).
The monthly split is wide on this route: Dec 2024 posted the strongest performance at 92% on-time, while Aug 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.