Glacier Park International in March 2025

92.0%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 March 2025, reporting carriers scheduled 276 domestic departures from Glacier Park International (FCA). 92.0% left less than 15 minutes late and 89.9% 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 FCA departures were 12.1 points above the national departure figure.

A year earlier, in March 2024, the airport had 246 departures with 90.2% leaving on time: a change of +1.8 points, with flights up 12%.

Flights arriving at FCA that month were on time 88.0% of the time (275 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 64%, national aviation system 23% and late-arriving aircraft 10%.

On time 89.9%
Arrived 15+ minutes late 10.1%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from FCA 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	FCA, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	92.0%	90.2%	81.0%	79.9%
Arrived on time	89.9%	87.4%	80.1%	79.3%
Cancelled	0.0%	1.2%	0.9%	1.2%
Average departure delay (late minutes only)	9.3 min	8.7 min	17.8 min	14.9 min
Scheduled departures a day	9	8	11	20,029
Scheduled departures	276	246	4,115	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	121	44%	89.3%	-3.1 min	0.0%
DL Delta Air Lines	62	22%	88.7%	5.2 min	0.0%
UA United Airlines	62	22%	90.3%	4.8 min	0.0%
G4 Allegiant Air	31	11%	93.5%	-9.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FCA–DEN	Kalispell to Denver	91	89.0%	1.1 min	0.0%
FCA–SLC	Kalispell to Salt Lake City	91	96.7%	-5.5 min	0.0%
FCA–MSP	Kalispell to Minneapolis	31	83.9%	3.8 min	0.0%
FCA–LAX	Kalispell to Los Angeles	22	81.8%	5.2 min	0.0%
FCA–AZA	Kalispell to Phoenix	13	84.6%	-0.2 min	0.0%
FCA–ORD	Kalispell to Chicago	10	60.0%	33.8 min	0.0%
FCA–LAS	Kalispell to Las Vegas	9	100.0%	-9.9 min	0.0%
FCA–SFO	Kalispell to San Francisco	9	100.0%	-12.2 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	63.8%	33.0%	1,701
Late-arriving aircraft	10.2%	39.2%	273
National Aviation System	23.0%	21.9%	614
Extreme weather	2.9%	5.9%	78
Security	0.0%	0.1%	0

2,666 delay minutes on 28 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 March 2025?

92.0% of 276 scheduled domestic departures left less than 15 minutes late, and 89.9% 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, 90.2% of 246 departures left on time and 1.2% were cancelled, against 92.0% 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 FCA · methodology · corrections.