Route · XWA → DEN · 2020–2025 BTS data
Williston to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), XWA to DEN (Williston to Denver) ranks #2165 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.4%
- On-time
- -0.6 pts
- vs US avg
- 108 min
- Delay when late
- 5,784
- Flights
- #2165 of 4927
- Corpus placement
Cancelled
1.5%
Best Month
Oct 2024 94%
Worst Month
Dec 2025 61%
Distance
582 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 116 | 45 | 1 | 1 | OO |
| Nov 2025 | 112 | 19 | 3 | 0 | OO |
| Oct 2025 | 120 | 21 | 0 | 0 | OO |
| Sep 2025 | 137 | 18 | 0 | 1 | OO |
| Aug 2025 | 150 | 37 | 2 | 3 | OO |
| Jul 2025 | 154 | 48 | 2 | 4 | OO |
| Jun 2025 | 150 | 47 | 2 | 3 | OO |
| May 2025 | 130 | 36 | 1 | 3 | OO |
| Apr 2025 | 116 | 34 | 1 | 3 | OO |
| Mar 2025 | 114 | 20 | 0 | 2 | OO |
| Feb 2025 | 102 | 29 | 3 | 0 | OO |
| Jan 2025 | 111 | 39 | 1 | 1 | OO |
| Dec 2024 | 114 | 25 | 1 | 0 | OO |
| Nov 2024 | 109 | 36 | 6 | 1 | OO |
| Oct 2024 | 124 | 8 | 2 | 1 | OO |
| Sep 2024 | 112 | 15 | 0 | 0 | OO |
| Aug 2024 | 106 | 20 | 0 | 1 | OO |
| Jul 2024 | 101 | 30 | 0 | 0 | OO |
| Jun 2024 | 110 | 27 | 0 | 1 | OO |
| May 2024 | 116 | 15 | 1 | 0 | OO |
| Apr 2024 | 86 | 9 | 0 | 0 | OO |
| Mar 2024 | 88 | 18 | 4 | 0 | OO |
| Feb 2024 | 83 | 18 | 6 | 0 | OO |
| Jan 2024 | 88 | 21 | 5 | 0 | OO |
XWA–DEN seasonal on-time pattern
Best: September (87.2%) · weakest: July (71.9%)
Strongest calendar month
September
87.2% on-time · ~92 flights/mo
Busiest calendar month
July
~106 flights/mo avg
Weakest calendar month
July
71.9% on-time · ~106 flights/mo
Cancellation Rate
1.5%
41 of 2,749 flights
Diversion Rate
0.9%
25 of 2,749 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
XWA - Williston
Full on-time, delay-cause, and seasonal performance for Williston, ND.
XWA on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See XWA and DEN side by side on delays, cancellations, and reliability.
Compare XWA vs DENOrigin-hub reliability standing
Mid-pack among XWA departures
From XWA, this corridor sits with 2 other 75–85% on-time routes out of 2 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #3731 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to XWA–DEN.
Routes with a similar on-time rate
What the Data Says About XWA to DEN
The Williston to Denver corridor (XWA to DEN) posts a 78.4% on-time rate on the lower edge of the average band, based on 5,784 tracked flights. Late flights run 107.9 minutes behind on average. 1 carrier cover the 582-mile route; over the last 24 months, 41 of 2,749 flights were cancelled (1.5%) and 0.9% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 61% - a 32-point swing worth factoring into travel timing.
On the multi-year calendar, XWA–DEN peaks in September at 87.2% on-time while July carries the heaviest traffic (~106 flights per month) ; the softest month is July at 71.9%, a 15.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does XWA to DEN rank among US routes by traffic? ▼
How often are flights delayed from XWA to DEN? ▼
What is the cancellation rate for XWA to DEN? ▼
How far is the flight from XWA to DEN? ▼
When is the best time to fly from XWA to DEN? ▼
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 XWA–DEN data
XWA–DEN is mid-pack at 78.4% on-time; month and carrier mix move more than the corridor headline.
- Compare XWA and DEN airport profiles: delay causes and top routes differ even on the same corridor. XWA airport
- If your dates flex, September (87.2% on-time) beats July (71.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.4% 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.