Bozeman Yellowstone International in July 2025

72.9%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 1,330 domestic departures from Bozeman Yellowstone International (BZN). 72.9% left less than 15 minutes late and 69.7% 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 BZN departures were 3.2 points above the national departure figure.

A year earlier, in July 2024, the airport had 1,164 departures with 75.0% leaving on time: a change of −2.1 points, with flights up 14%.

Flights arriving at BZN that month were on time 74.3% of the time (1,331 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 37%, late-arriving aircraft 34% and air carrier 26%.

On time 69.7%
Arrived 15+ minutes late 28.6%
Cancelled 0.8%
Diverted 0.9%

Every scheduled departure from BZN 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	BZN, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	72.9%	75.0%	79.6%	69.7%
Arrived on time	69.7%	72.2%	79.5%	69.0%
Cancelled	0.8%	1.5%	0.8%	2.5%
Average departure delay (late minutes only)	21.9 min	19.9 min	17.2 min	24.3 min
Scheduled departures a day	44	39	32	21,048
Scheduled departures	1,330	1,164	11,804	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	290	22%	65.9%	20.7 min	1.7%
OO SkyWest Airlines	270	20%	80.0%	5.5 min	0.4%
WN Southwest Airlines	224	17%	64.7%	21.9 min	0.0%
DL Delta Air Lines	218	16%	82.6%	2.1 min	0.5%
AA American Airlines	179	13%	58.7%	32.4 min	0.6%
AS Alaska Airlines	61	5%	63.9%	12.7 min	3.3%
B6 JetBlue Airways	49	4%	49.0%	40.3 min	2.0%
G4 Allegiant Air	39	3%	69.2%	24.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BZN–DEN	Bozeman to Denver	273	61.2%	30.4 min	0.7%
BZN–SEA	Bozeman to Seattle	152	78.3%	2.9 min	1.3%
BZN–ORD	Bozeman to Chicago	142	64.1%	25.5 min	1.4%
BZN–SLC	Bozeman to Salt Lake City	119	89.1%	-3.4 min	0.8%
BZN–DFW	Bozeman to Dallas/Fort Worth	96	67.7%	20.8 min	1.0%
BZN–MSP	Bozeman to Minneapolis	93	82.8%	5.5 min	0.0%
BZN–LAS	Bozeman to Las Vegas	66	62.1%	29.0 min	0.0%
BZN–EWR	Bozeman to Newark	62	53.2%	27.3 min	1.6%
BZN–LAX	Bozeman to Los Angeles	52	88.5%	1.9 min	0.0%
BZN–ATL	Bozeman to Atlanta	39	82.1%	-2.2 min	0.0%
BZN–BOS	Bozeman to Boston	39	61.5%	26.3 min	0.0%
BZN–MDW	Bozeman to Chicago	31	74.2%	7.7 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	25.7%	31.1%	7,538
Late-arriving aircraft	33.9%	40.8%	9,963
National Aviation System	36.6%	20.7%	10,762
Extreme weather	3.8%	7.3%	1,103
Security	0.0%	0.1%	0

29,366 delay minutes on 380 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 July 2025?

72.9% of 1,330 scheduled domestic departures left less than 15 minutes late, and 69.7% 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, 75.0% of 1,164 departures left on time and 1.5% were cancelled, against 72.9% 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 BZN · methodology · corrections.