Great Falls International in October 2023

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 2023, reporting carriers scheduled 227 domestic departures from Great Falls International (GTF). 90.3% left less than 15 minutes late and 89.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so GTF departures were 6.5 points above the national departure figure.

Flights arriving at GTF that month were on time 89.9% of the time (227 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, extreme weather 38% and national aviation system 21%.

On time 89.0%
Arrived 15+ minutes late 10.6%
Cancelled 0.0%
Diverted 0.4%

Every scheduled departure from GTF in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	GTF, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	90.3%	—	88.2%	83.8%
Arrived on time	89.0%	—	87.7%	84.0%
Cancelled	0.0%	—	0.8%	0.4%
Average departure delay (late minutes only)	7.2 min	—	10.6 min	11.0 min
Scheduled departures a day	8	—	6	19,966
Scheduled departures	227	—	2,168	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	154	68%	92.2%	-2.9 min	0.0%
UA United Airlines	56	25%	83.9%	1.3 min	0.0%
G4 Allegiant Air	17	7%	76.5%	6.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GTF–SLC	Great Falls to Salt Lake City	86	93.0%	-2.4 min	0.0%
GTF–DEN	Great Falls to Denver	62	83.9%	0.3 min	0.0%
GTF–MSP	Great Falls to Minneapolis	31	87.1%	8.5 min	0.0%
GTF–SEA	Great Falls to Seattle	31	96.8%	-14.6 min	0.0%
GTF–LAS	Great Falls to Las Vegas	9	88.9%	0.0 min	0.0%
GTF–AZA	Great Falls to Phoenix	8	62.5%	14.0 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	38.3%	41.3%	740
Late-arriving aircraft	2.8%	40.5%	55
National Aviation System	21.3%	14.4%	411
Extreme weather	37.5%	3.7%	724
Security	0.0%	0.2%	0

1,930 delay minutes on 24 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 2023?

90.3% of 227 scheduled domestic departures left less than 15 minutes late, and 89.0% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 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 October 2023; 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.