Bozeman Yellowstone International in March 2025

82.3%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 928 domestic departures from Bozeman Yellowstone International (BZN). 82.3% left less than 15 minutes late and 81.3% reached their destination on time; 0.2% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so BZN departures were 2.4 points above the national departure figure.

A year earlier, in March 2024, the airport had 878 departures with 83.4% leaving on time: a change of −1.1 points, with flights up 6%.

Flights arriving at BZN that month were on time 81.9% of the time (928 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 31%, air carrier 31% and late-arriving aircraft 26%.

On time 81.3%
Arrived 15+ minutes late 18.2%
Cancelled 0.2%
Diverted 0.3%

Every scheduled departure from BZN 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	BZN, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	82.3%	83.4%	79.6%	79.9%
Arrived on time	81.3%	79.8%	79.5%	79.3%
Cancelled	0.2%	0.6%	0.8%	1.2%
Average departure delay (late minutes only)	14.3 min	11.4 min	17.2 min	14.9 min
Scheduled departures a day	31	29	32	20,029
Scheduled departures	928	878	11,804	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	231	25%	83.1%	-1.1 min	0.4%
DL Delta Air Lines	177	19%	79.7%	14.0 min	0.6%
OO SkyWest Airlines	165	18%	88.5%	-8.0 min	0.0%
WN Southwest Airlines	138	15%	83.3%	-3.1 min	0.0%
AA American Airlines	96	10%	71.9%	11.1 min	0.0%
G4 Allegiant Air	46	5%	84.8%	-4.5 min	0.0%
B6 JetBlue Airways	44	5%	65.9%	15.2 min	0.0%
AS Alaska Airlines	31	3%	74.2%	1.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BZN–DEN	Bozeman to Denver	237	85.2%	-6.4 min	0.4%
BZN–SLC	Bozeman to Salt Lake City	93	83.9%	-3.0 min	0.0%
BZN–ORD	Bozeman to Chicago	84	76.2%	9.5 min	0.0%
BZN–LAX	Bozeman to Los Angeles	68	89.7%	-11.0 min	0.0%
BZN–DFW	Bozeman to Dallas/Fort Worth	65	73.8%	9.6 min	0.0%
BZN–MSP	Bozeman to Minneapolis	62	82.3%	6.0 min	0.0%
BZN–LAS	Bozeman to Las Vegas	57	84.2%	-2.7 min	0.0%
BZN–ATL	Bozeman to Atlanta	41	73.2%	29.4 min	2.4%
BZN–SFO	Bozeman to San Francisco	39	76.9%	14.4 min	0.0%
BZN–EWR	Bozeman to Newark	34	85.3%	-7.6 min	0.0%
BZN–BOS	Bozeman to Boston	32	68.8%	7.1 min	0.0%
BZN–JFK	Bozeman to New York	32	65.6%	47.3 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	30.8%	33.0%	3,877
Late-arriving aircraft	26.2%	39.2%	3,292
National Aviation System	31.1%	21.9%	3,917
Extreme weather	11.9%	5.9%	1,492
Security	0.0%	0.1%	0

12,578 delay minutes on 169 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 BZN on time in March 2025?

82.3% of 928 scheduled domestic departures left less than 15 minutes late, and 81.3% 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, 83.4% of 878 departures left on time and 0.6% were cancelled, against 82.3% and 0.2% 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 BZN · methodology · corrections.