Williston Basin International in November 2025

84.8%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In November 2025, reporting carriers scheduled 197 domestic departures from Williston Basin International (XWA). 84.8% left less than 15 minutes late and 78.2% reached their destination on time; 3.6% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so XWA departures were 6.7 points above the national departure figure.

A year earlier, in November 2024, the airport had 168 departures with 75.6% leaving on time: a change of +9.2 points, with flights up 17%.

Flights arriving at XWA that month were on time 79.2% of the time (197 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 74%, national aviation system 17% and extreme weather 7%.

On time 78.2%
Arrived 15+ minutes late 18.3%
Cancelled 3.6%
Diverted 0.0%

Every scheduled departure from XWA in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	XWA, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	84.8%	75.6%	79.1%	78.1%
Arrived on time	78.2%	64.3%	76.5%	77.3%
Cancelled	3.6%	3.6%	1.5%	2.5%
Average departure delay (late minutes only)	13.2 min	40.4 min	25.4 min	15.6 min
Scheduled departures a day	7	6	7	19,018
Scheduled departures	197	168	2,411	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	197	100%	78.2%	0.5 min	3.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
XWA–DEN	Williston to Denver	112	80.4%	-3.2 min	2.7%
XWA–MSP	Williston to Minneapolis	85	75.3%	5.4 min	4.7%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	74.0%	30.2%	2,051
Late-arriving aircraft	2.1%	38.3%	58
National Aviation System	16.6%	26.7%	461
Extreme weather	7.3%	4.6%	203
Security	0.0%	0.1%	0

2,773 delay minutes on 36 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left XWA on time in November 2025?

84.8% of 197 scheduled domestic departures left less than 15 minutes late, and 78.2% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 75.6% of 168 departures left on time and 3.6% were cancelled, against 84.8% and 3.6% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for XWA · methodology · corrections.