Great Falls International in June 2024

90.1%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 June 2024, reporting carriers scheduled 191 domestic departures from Great Falls International (GTF). 90.1% left less than 15 minutes late and 88.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so GTF departures were 16.4 points above the national departure figure.

Flights arriving at GTF that month were on time 75.9% of the time (191 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, national aviation system 28% and air carrier 16%.

On time 88.5%
Arrived 15+ minutes late 10.5%
Cancelled 0.5%
Diverted 0.5%

Every scheduled departure from GTF in June 2024, judged by arrival at the destination.

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

Measure	Jun 2024	Year earlier	GTF, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	90.1%	—	88.2%	73.7%
Arrived on time	88.5%	—	87.7%	73.9%
Cancelled	0.5%	—	0.8%	1.3%
Average departure delay (late minutes only)	8.7 min	—	10.6 min	19.7 min
Scheduled departures a day	6	—	6	20,371
Scheduled departures	191	—	2,168	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	123	64%	93.5%	-6.8 min	0.0%
UA United Airlines	60	31%	78.3%	6.1 min	1.7%
G4 Allegiant Air	8	4%	87.5%	-2.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GTF–SLC	Great Falls to Salt Lake City	88	94.3%	-7.9 min	0.0%
GTF–DEN	Great Falls to Denver	60	78.3%	6.1 min	1.7%
GTF–MSP	Great Falls to Minneapolis	30	90.0%	-1.3 min	0.0%
GTF–LAS	Great Falls to Las Vegas	8	87.5%	-2.1 min	0.0%
GTF–ORD	Great Falls to Chicago	5	100.0%	-21.4 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), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	15.6%	34.4%	233
Late-arriving aircraft	49.1%	41.5%	732
National Aviation System	27.9%	17.8%	416
Extreme weather	7.4%	6.0%	110
Security	0.0%	0.2%	0

1,491 delay minutes on 20 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 June 2024?

90.1% of 191 scheduled domestic departures left less than 15 minutes late, and 88.5% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 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 June 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.