Williston Basin International in June 2024

78.2%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 June 2024, reporting carriers scheduled 170 domestic departures from Williston Basin International (XWA). 78.2% left less than 15 minutes late and 72.9% reached their destination on time; 0.0% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so XWA departures were 4.5 points above the national departure figure.

Flights arriving at XWA that month were on time 71.8% of the time (170 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 67%, national aviation system 18% and extreme weather 10%.

On time 72.9%
Arrived 15+ minutes late 26.5%
Cancelled 0.0%
Diverted 0.6%

Every scheduled departure from XWA in June 2024, judged by arrival at the destination.

June 2024 against a year earlier, the airport's year and the nation

Measure	Jun 2024	Year earlier	XWA, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	78.2%	—	79.1%	73.7%
Arrived on time	72.9%	—	76.5%	73.9%
Cancelled	0.0%	—	1.5%	1.3%
Average departure delay (late minutes only)	19.3 min	—	25.4 min	19.7 min
Scheduled departures a day	6	—	7	20,371
Scheduled departures	170	—	2,411	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	170	100%	72.9%	15.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
XWA–DEN	Williston to Denver	110	74.5%	12.7 min	0.0%
XWA–MSP	Williston to Minneapolis	60	70.0%	19.1 min	0.0%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	67.2%	34.4%	2,494
Late-arriving aircraft	5.0%	41.5%	185
National Aviation System	17.6%	17.8%	652
Extreme weather	9.8%	6.0%	364
Security	0.4%	0.2%	14

3,709 delay minutes on 45 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 June 2024?

78.2% of 170 scheduled domestic departures left less than 15 minutes late, and 72.9% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; 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.