Glacier Park International in July 2025

79.0%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 July 2025, reporting carriers scheduled 629 domestic departures from Glacier Park International (FCA). 79.0% left less than 15 minutes late and 75.2% reached their destination on time; 0.8% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so FCA departures were 9.3 points above the national departure figure.

A year earlier, in July 2024, the airport had 569 departures with 77.0% leaving on time: a change of +2.0 points, with flights up 11%.

Flights arriving at FCA that month were on time 77.7% of the time (629 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 28% and national aviation system 19%.

On time 75.2%
Arrived 15+ minutes late 22.9%
Cancelled 0.8%
Diverted 1.1%

Every scheduled departure from FCA in July 2025, judged by arrival at the destination.

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

Measure	Jul 2025	Jul 2024	FCA, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	79.0%	77.0%	81.0%	69.7%
Arrived on time	75.2%	75.7%	80.1%	69.0%
Cancelled	0.8%	1.4%	0.9%	2.5%
Average departure delay (late minutes only)	19.5 min	20.7 min	17.8 min	24.3 min
Scheduled departures a day	21	19	11	21,048
Scheduled departures	629	569	4,115	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	238	38%	87.0%	-1.8 min	0.4%
AA American Airlines	130	21%	56.9%	45.7 min	0.8%
UA United Airlines	128	20%	61.7%	24.5 min	2.3%
DL Delta Air Lines	93	15%	86.0%	1.2 min	0.0%
G4 Allegiant Air	40	6%	82.5%	-0.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FCA–DEN	Kalispell to Denver	124	71.8%	21.1 min	2.4%
FCA–ORD	Kalispell to Chicago	123	51.2%	37.3 min	1.6%
FCA–SLC	Kalispell to Salt Lake City	119	97.5%	-8.0 min	0.0%
FCA–DFW	Kalispell to Dallas/Fort Worth	65	72.3%	33.8 min	0.0%
FCA–MSP	Kalispell to Minneapolis	62	80.6%	5.3 min	0.0%
FCA–SFO	Kalispell to San Francisco	39	74.4%	6.1 min	0.0%
FCA–LAX	Kalispell to Los Angeles	31	93.5%	-8.0 min	0.0%
FCA–SAN	Kalispell to San Diego	18	77.8%	-4.2 min	0.0%
FCA–AZA	Kalispell to Phoenix	17	88.2%	-5.8 min	0.0%
FCA–LAS	Kalispell to Las Vegas	14	71.4%	4.3 min	0.0%
FCA–OAK	Kalispell to Oakland	9	88.9%	0.0 min	0.0%
FCA–IAH	Kalispell to Houston	4	25.0%	26.0 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	45.2%	31.1%	5,538
Late-arriving aircraft	28.1%	40.8%	3,439
National Aviation System	19.3%	20.7%	2,361
Extreme weather	7.5%	7.3%	918
Security	0.0%	0.1%	0

12,256 delay minutes on 144 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 FCA on time in July 2025?

79.0% of 629 scheduled domestic departures left less than 15 minutes late, and 75.2% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 77.0% of 569 departures left on time and 1.4% were cancelled, against 79.0% and 0.8% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for FCA · methodology · corrections.