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Route · DEN → XWA · 2020–2025 BTS data

Denver to Williston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to XWA (Denver to Williston) ranks #2164 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.6%
On-time
+1.6 pts
vs US avg
93 min
Delay when late
5,785
Flights
#2164 of 4927
Corpus placement

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

DEN–XWA seasonal on-time pattern

Best: September (88.7%) · weakest: February (71.4%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.6%

Strongest calendar month

September

88.7% on-time · ~92 flights/mo

Busiest calendar month

July

~106 flights/mo avg

Weakest calendar month

February

71.4% on-time · ~74 flights/mo

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.

DEN on-time profile

XWA - Williston

Full on-time, delay-cause, and seasonal performance for Williston, ND.

XWA on-time profile

Compare the two airports

See DEN and XWA side by side on delays, cancellations, and reliability.

Compare DEN vs XWA

Origin-hub reliability standing

Mid-pack among DEN departures

From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Williston · fleet on-time rank #2877 of 4927.

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.

On the multi-year calendar, DEN–XWA peaks in September at 88.7% on-time while July carries the heaviest traffic (~106 flights per month) ; the softest month is February at 71.4%, a 17.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to XWA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to XWA ranks #2164 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from DEN to XWA? ▼
Flights from Denver to Williston have a 80.6% on-time rate based on 5,785 flights. The average delay is 93.3 minutes. The best recent month was Oct 2024 with 91% on-time.
What is the cancellation rate for DEN to XWA? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (34 of 2,749 flights) and 0.9% were diverted.
How far is the flight from DEN to XWA? ▼
The flight distance from Denver (DEN) to Williston (XWA) is approximately 582 miles. This route is served by 1 carrier.
When is the best time to fly from DEN to XWA? ▼
The best recent month for on-time performance was Oct 2024 (91% on-time). The worst was Jan 2025 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
XWA Airport

Williston
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 DEN–XWA data

DEN–XWA is mid-pack at 80.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and XWA airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, September (88.7% on-time) beats February (71.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.6% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.