Glacier Park International in March 2026

81.7%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 March 2026, reporting carriers scheduled 257 domestic departures from Glacier Park International (FCA). 81.7% left less than 15 minutes late and 80.5% reached their destination on time; 1.9% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so FCA departures were 8.9 points above the national departure figure.

A year earlier, in March 2025, the airport had 276 departures with 92.0% leaving on time: a change of −10.3 points, with flights down 7%.

Flights arriving at FCA that month were on time 78.1% of the time (256 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 32% and national aviation system 27%.

On time 80.5%
Arrived 15+ minutes late 17.5%
Cancelled 1.9%
Diverted 0.0%

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

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

Measure	Mar 2026	Mar 2025	FCA, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	81.7%	92.0%	81.0%	72.8%
Arrived on time	80.5%	89.9%	80.1%	73.2%
Cancelled	1.9%	0.0%	0.9%	2.9%
Average departure delay (late minutes only)	14.9 min	9.3 min	17.8 min	20.3 min
Scheduled departures a day	9	9	11	20,403
Scheduled departures	257	276	4,115	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	109	42%	82.6%	-0.7 min	0.9%
DL Delta Air Lines	65	25%	83.1%	-1.4 min	4.6%
UA United Airlines	62	24%	82.3%	-3.5 min	1.6%
G4 Allegiant Air	21	8%	57.1%	26.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FCA–SLC	Kalispell to Salt Lake City	92	91.3%	-10.6 min	1.1%
FCA–DEN	Kalispell to Denver	62	82.3%	-3.5 min	1.6%
FCA–MSP	Kalispell to Minneapolis	31	77.4%	4.1 min	6.5%
FCA–ORD	Kalispell to Chicago	22	72.7%	8.0 min	4.5%
FCA–SFO	Kalispell to San Francisco	20	60.0%	27.8 min	0.0%
FCA–AZA	Kalispell to Phoenix	12	66.7%	23.8 min	0.0%
FCA–LAS	Kalispell to Las Vegas	9	44.4%	31.0 min	0.0%
FCA–LAX	Kalispell to Los Angeles	9	88.9%	-5.1 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	32.3%	33.5%	1,101
Late-arriving aircraft	37.5%	39.3%	1,277
National Aviation System	27.1%	21.0%	922
Extreme weather	3.1%	5.9%	107
Security	0.0%	0.2%	0

3,407 delay minutes on 45 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 2026?

81.7% of 257 scheduled domestic departures left less than 15 minutes late, and 80.5% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 92.0% of 276 departures left on time and 0.0% were cancelled, against 81.7% and 1.9% in March 2026.

Provenance

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