Glacier Park International in April 2026

88.7%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 April 2026, reporting carriers scheduled 212 domestic departures from Glacier Park International (FCA). 88.7% left less than 15 minutes late and 87.7% reached their destination on time; 0.5% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so FCA departures were 9.6 points above the national departure figure.

A year earlier, in April 2025, the airport had 206 departures with 92.7% leaving on time: a change of −4.0 points, with flights up 3%.

Flights arriving at FCA that month were on time 90.6% of the time (212 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 57%, late-arriving aircraft 25% and national aviation system 11%.

On time 87.7%
Arrived 15+ minutes late 11.8%
Cancelled 0.5%
Diverted 0.0%

Every scheduled departure from FCA in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	FCA, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	88.7%	92.7%	81.0%	79.1%
Arrived on time	87.7%	91.3%	80.1%	78.9%
Cancelled	0.5%	0.5%	0.9%	0.9%
Average departure delay (late minutes only)	15.2 min	4.0 min	17.8 min	14.5 min
Scheduled departures a day	7	7	11	19,931
Scheduled departures	212	206	4,115	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	73	34%	87.7%	3.1 min	0.0%
DL Delta Air Lines	62	29%	85.5%	10.2 min	0.0%
UA United Airlines	60	28%	95.0%	-11.4 min	1.7%
G4 Allegiant Air	17	8%	70.6%	38.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FCA–SLC	Kalispell to Salt Lake City	90	91.1%	1.0 min	0.0%
FCA–DEN	Kalispell to Denver	60	95.0%	-11.4 min	1.7%
FCA–MSP	Kalispell to Minneapolis	30	83.3%	17.8 min	0.0%
FCA–LAS	Kalispell to Las Vegas	9	66.7%	22.8 min	0.0%
FCA–AZA	Kalispell to Phoenix	8	75.0%	55.6 min	0.0%
FCA–PDX	Kalispell to Portland	8	75.0%	-4.9 min	0.0%
FCA–ORD	Kalispell to Chicago	4	50.0%	46.3 min	0.0%
FCA–LAX	Kalispell to Los Angeles	2	50.0%	45.5 min	0.0%
FCA–SFO	Kalispell to San Francisco	1	100.0%	-3.0 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	56.6%	33.5%	1,752
Late-arriving aircraft	24.5%	40.4%	757
National Aviation System	10.7%	21.0%	330
Extreme weather	8.2%	5.0%	255
Security	0.0%	0.1%	0

3,094 delay minutes on 25 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 April 2026?

88.7% of 212 scheduled domestic departures left less than 15 minutes late, and 87.7% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 92.7% of 206 departures left on time and 0.5% were cancelled, against 88.7% and 0.5% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.