Great Falls International in October 2024

91.2%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 October 2024, reporting carriers scheduled 194 domestic departures from Great Falls International (GTF). 91.2% left less than 15 minutes late and 92.3% reached their destination on time; 0.0% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so GTF departures were 5.7 points above the national departure figure.

A year earlier, in October 2023, the airport had 227 departures with 90.3% leaving on time: a change of +0.9 points, with flights down 15%.

Flights arriving at GTF that month were on time 96.4% of the time (194 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 73%, extreme weather 22% and national aviation system 4%.

On time 92.3%
Arrived 15+ minutes late 7.7%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from GTF 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	GTF, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	91.2%	90.3%	88.2%	85.5%
Arrived on time	92.3%	89.0%	87.7%	85.8%
Cancelled	0.0%	0.0%	0.8%	1.0%
Average departure delay (late minutes only)	7.5 min	7.2 min	10.6 min	9.4 min
Scheduled departures a day	7	8	6	20,517
Scheduled departures	194	227	2,168	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	177	91%	94.4%	-7.1 min	0.0%
G4 Allegiant Air	17	9%	70.6%	8.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GTF–SLC	Great Falls to Salt Lake City	84	95.2%	-7.9 min	0.0%
GTF–DEN	Great Falls to Denver	62	93.5%	-8.4 min	0.0%
GTF–MSP	Great Falls to Minneapolis	31	93.5%	-2.2 min	0.0%
GTF–AZA	Great Falls to Phoenix	9	66.7%	17.1 min	0.0%
GTF–LAS	Great Falls to Las Vegas	8	75.0%	-2.1 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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	73.2%	42.7%	854
Late-arriving aircraft	1.4%	37.4%	16
National Aviation System	3.6%	16.3%	42
Extreme weather	21.9%	3.4%	255
Security	0.0%	0.2%	0

1,167 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 October 2024?

91.2% of 194 scheduled domestic departures left less than 15 minutes late, and 92.3% 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, 90.3% of 227 departures left on time and 0.0% were cancelled, against 91.2% and 0.0% 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 GTF · methodology · corrections.