Great Falls International in November 2025

88.4%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 164 domestic departures from Great Falls International (GTF). 88.4% left less than 15 minutes late and 87.2% reached their destination on time; 3.0% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so GTF departures were 10.3 points above the national departure figure.

A year earlier, in November 2024, the airport had 190 departures with 90.0% leaving on time: a change of −1.6 points, with flights down 14%.

Flights arriving at GTF that month were on time 90.9% of the time (164 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 59%, national aviation system 25% and extreme weather 12%.

On time 87.2%
Arrived 15+ minutes late 9.8%
Cancelled 3.0%
Diverted 0.0%

Every scheduled departure from GTF 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	GTF, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	88.4%	90.0%	88.2%	78.1%
Arrived on time	87.2%	83.7%	87.7%	77.3%
Cancelled	3.0%	1.1%	0.8%	2.5%
Average departure delay (late minutes only)	5.7 min	4.8 min	10.6 min	15.6 min
Scheduled departures a day	6	6	6	19,018
Scheduled departures	164	190	2,168	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	114	70%	88.6%	-10.2 min	3.5%
UA United Airlines	32	20%	90.6%	-12.1 min	0.0%
G4 Allegiant Air	18	11%	72.2%	4.5 min	5.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GTF–SLC	Great Falls to Salt Lake City	87	87.4%	-8.9 min	4.6%
GTF–DEN	Great Falls to Denver	59	91.5%	-13.1 min	0.0%
GTF–AZA	Great Falls to Phoenix	9	88.9%	3.0 min	0.0%
GTF–LAS	Great Falls to Las Vegas	9	55.6%	6.3 min	11.1%

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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	58.8%	30.2%	506
Late-arriving aircraft	5.2%	38.3%	45
National Aviation System	24.5%	26.7%	211
Extreme weather	11.5%	4.6%	99
Security	0.0%	0.1%	0

861 delay minutes on 16 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 GTF on time in November 2025?

88.4% of 164 scheduled domestic departures left less than 15 minutes late, and 87.2% 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, 90.0% of 190 departures left on time and 1.1% were cancelled, against 88.4% and 3.0% 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 GTF · methodology · corrections.