Bozeman Yellowstone International in July 2026

71.7%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 July 2026, reporting carriers scheduled 1,379 domestic departures from Bozeman Yellowstone International (BZN). 71.7% left less than 15 minutes late and 72.3% reached their destination on time; 1.2% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so BZN departures were 2.9 points above the national departure figure.

A year earlier, in July 2025, the airport had 1,330 departures with 72.9% leaving on time: a change of −1.2 points, with flights up 4%.

Flights arriving at BZN that month were on time 73.0% of the time (1,380 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 36%, late-arriving aircraft 34% and air carrier 17%.

On time 72.3%
Arrived 15+ minutes late 25.3%
Cancelled 1.2%
Diverted 1.2%

Every scheduled departure from BZN in July 2026, judged by arrival at the destination.

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

Measure	Jul 2026	Jul 2025	BZN, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	71.7%	72.9%	79.6%	68.8%
Arrived on time	72.3%	69.7%	79.5%	69.4%
Cancelled	1.2%	0.8%	0.8%	2.6%
Average departure delay (late minutes only)	22.4 min	21.9 min	17.2 min	24.1 min
Scheduled departures a day	46	44	32	21,066
Scheduled departures	1,379	1,330	11,804	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	355	26%	68.5%	21.7 min	1.4%
WN Southwest Airlines	246	18%	69.1%	15.8 min	0.0%
OO SkyWest Airlines	227	16%	72.7%	13.4 min	0.0%
DL Delta Air Lines	221	16%	84.2%	-0.4 min	1.4%
AA American Airlines	177	13%	70.6%	12.4 min	1.1%
AS Alaska Airlines	62	4%	82.3%	-0.3 min	0.0%
B6 JetBlue Airways	48	3%	45.8%	29.2 min	14.6%
G4 Allegiant Air	43	3%	81.4%	0.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BZN–DEN	Bozeman to Denver	265	67.2%	15.8 min	0.0%
BZN–ORD	Bozeman to Chicago	154	63.6%	25.9 min	1.9%
BZN–SEA	Bozeman to Seattle	154	79.9%	2.8 min	0.0%
BZN–SLC	Bozeman to Salt Lake City	123	85.4%	3.8 min	0.0%
BZN–DFW	Bozeman to Dallas/Fort Worth	95	83.2%	-0.9 min	0.0%
BZN–MSP	Bozeman to Minneapolis	93	91.4%	-8.4 min	1.1%
BZN–LAS	Bozeman to Las Vegas	67	79.1%	7.3 min	0.0%
BZN–EWR	Bozeman to Newark	62	59.7%	45.3 min	4.8%
BZN–LAX	Bozeman to Los Angeles	45	82.2%	4.4 min	0.0%
BZN–ATL	Bozeman to Atlanta	42	71.4%	2.7 min	0.0%
BZN–BOS	Bozeman to Boston	41	48.8%	34.7 min	7.3%
BZN–MDW	Bozeman to Chicago	31	80.6%	1.7 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	17.2%	31.7%	4,623
Late-arriving aircraft	34.4%	41.8%	9,247
National Aviation System	36.2%	19.9%	9,726
Extreme weather	12.2%	6.5%	3,283
Security	0.0%	0.1%	0

26,879 delay minutes on 349 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 2026?

71.7% of 1,379 scheduled domestic departures left less than 15 minutes late, and 72.3% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 72.9% of 1,330 departures left on time and 0.8% were cancelled, against 71.7% and 1.2% in July 2026.

Provenance

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