Great Falls International in March 2025

94.4%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 March 2025, reporting carriers scheduled 234 domestic departures from Great Falls International (GTF). 94.4% left less than 15 minutes late and 93.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so GTF departures were 14.5 points above the national departure figure.

A year earlier, in March 2024, the airport had 230 departures with 89.6% leaving on time: a change of +4.8 points, with flights up 2%.

Flights arriving at GTF that month were on time 94.0% of the time (234 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 77%, national aviation system 8% and extreme weather 8%.

On time 93.2%
Arrived 15+ minutes late 6.4%
Cancelled 0.0%
Diverted 0.4%

Every scheduled departure from GTF in March 2025, judged by arrival at the destination.

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

Measure	Mar 2025	Mar 2024	GTF, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	94.4%	89.6%	88.2%	79.9%
Arrived on time	93.2%	87.0%	87.7%	79.3%
Cancelled	0.0%	0.9%	0.8%	1.2%
Average departure delay (late minutes only)	5.5 min	12.6 min	10.6 min	14.9 min
Scheduled departures a day	8	8	6	20,029
Scheduled departures	234	230	2,168	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	212	91%	93.4%	-11.0 min	0.0%
G4 Allegiant Air	22	9%	90.9%	-1.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GTF–SLC	Great Falls to Salt Lake City	88	96.6%	-15.0 min	0.0%
GTF–DEN	Great Falls to Denver	62	88.7%	-7.4 min	0.0%
GTF–MSP	Great Falls to Minneapolis	31	96.8%	-13.6 min	0.0%
GTF–SEA	Great Falls to Seattle	31	90.3%	-4.5 min	0.0%
GTF–AZA	Great Falls to Phoenix	13	92.3%	-6.7 min	0.0%
GTF–LAS	Great Falls to Las Vegas	9	88.9%	6.7 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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	77.0%	33.0%	924
Late-arriving aircraft	6.7%	39.2%	80
National Aviation System	8.3%	21.9%	100
Extreme weather	8.0%	5.9%	96
Security	0.0%	0.1%	0

1,200 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 GTF on time in March 2025?

94.4% of 234 scheduled domestic departures left less than 15 minutes late, and 93.2% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 89.6% of 230 departures left on time and 0.9% were cancelled, against 94.4% and 0.0% in March 2025.

Provenance

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