Williston Basin International in October 2024

90.3%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 October 2024, reporting carriers scheduled 186 domestic departures from Williston Basin International (XWA). 90.3% left less than 15 minutes late and 90.3% reached their destination on time; 1.1% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so XWA departures were 4.8 points above the national departure figure.

A year earlier, in October 2023, the airport had 155 departures with 69.0% leaving on time: a change of +21.3 points, with flights up 20%.

Flights arriving at XWA that month were on time 87.1% of the time (186 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 82%, late-arriving aircraft 16% and national aviation system 2%.

On time 90.3%
Arrived 15+ minutes late 8.1%
Cancelled 1.1%
Diverted 0.5%

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

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

Measure	Oct 2024	Oct 2023	XWA, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	90.3%	69.0%	79.1%	85.5%
Arrived on time	90.3%	69.0%	76.5%	85.8%
Cancelled	1.1%	1.9%	1.5%	1.0%
Average departure delay (late minutes only)	16.1 min	38.7 min	25.4 min	9.4 min
Scheduled departures a day	6	5	7	20,517
Scheduled departures	186	155	2,411	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	186	100%	90.3%	-1.4 min	1.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
XWA–DEN	Williston to Denver	124	91.1%	-0.2 min	1.6%
XWA–MSP	Williston to Minneapolis	62	88.7%	-3.8 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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	82.1%	42.7%	2,279
Late-arriving aircraft	16.2%	37.4%	449
National Aviation System	1.8%	16.3%	49
Extreme weather	0.0%	3.4%	0
Security	0.0%	0.2%	0

2,777 delay minutes on 15 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 October 2024?

90.3% of 186 scheduled domestic departures left less than 15 minutes late, and 90.3% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 69.0% of 155 departures left on time and 1.9% were cancelled, against 90.3% and 1.1% in October 2024.

Provenance

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