Route · DEN → XWA · 2020–2025 BTS data
Denver to Williston
The DEN–XWA corridor (Denver, CO → Williston, ND) runs ahead of the national average, served by 1 carrier across roughly 582 miles.
Data updated 2026-06-13
- 80.6%
- On-time
- +1.6 pts
- vs US avg
- 93 min
- Delay when late
- 5,785
- Flights
Cancelled
1.2%
Best Month
Oct 2024 91%
Worst Month
Jan 2025 65%
Distance
582 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 115 | 36 | 1 | 2 | OO |
| Nov 2025 | 112 | 15 | 3 | 1 | OO |
| Oct 2025 | 120 | 18 | 0 | 0 | OO |
| Sep 2025 | 137 | 13 | 0 | 4 | OO |
| Aug 2025 | 150 | 38 | 0 | 2 | OO |
| Jul 2025 | 154 | 43 | 2 | 1 | OO |
| Jun 2025 | 150 | 50 | 0 | 2 | OO |
| May 2025 | 131 | 30 | 1 | 0 | OO |
| Apr 2025 | 116 | 28 | 1 | 0 | OO |
| Mar 2025 | 114 | 17 | 0 | 1 | OO |
| Feb 2025 | 102 | 35 | 3 | 0 | OO |
| Jan 2025 | 111 | 39 | 1 | 0 | OO |
| Dec 2024 | 114 | 19 | 1 | 0 | OO |
| Nov 2024 | 110 | 24 | 5 | 2 | OO |
| Oct 2024 | 123 | 11 | 1 | 2 | OO |
| Sep 2024 | 112 | 12 | 0 | 0 | OO |
| Aug 2024 | 106 | 18 | 0 | 0 | OO |
| Jul 2024 | 101 | 23 | 0 | 1 | OO |
| Jun 2024 | 110 | 26 | 0 | 0 | OO |
| May 2024 | 116 | 18 | 1 | 1 | OO |
| Apr 2024 | 86 | 11 | 0 | 0 | OO |
| Mar 2024 | 88 | 13 | 4 | 0 | OO |
| Feb 2024 | 83 | 19 | 4 | 4 | OO |
| Jan 2024 | 88 | 21 | 6 | 1 | OO |
Cancellation Rate
1.2%
34 of 2,749 flights
Diversion Rate
0.9%
24 of 2,749 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 →XWA - Williston
Full on-time, delay-cause, and seasonal performance for Williston, ND.
Destination airport →Compare the two airports
See DEN and XWA 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–XWA.
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What the Data Says About DEN to XWA
5,785 tracked flights put the DEN to XWA pairing (Denver to Williston) at a 80.6% on-time rate, squarely in line with the wider network. Delays that do occur run 93.3 minutes on average. Across the 582-mile route and its 1 carrier, the trailing 24 months show 1.2% cancelled and 0.9% diverted (2,749 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Jan 2025 came in at just 65% - a 26-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.