Bozeman Yellowstone International in October 2023

84.9%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 October 2023, reporting carriers scheduled 690 domestic departures from Bozeman Yellowstone International (BZN). 84.9% left less than 15 minutes late and 80.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so BZN departures were 1.1 points above the national departure figure.

Flights arriving at BZN that month were on time 82.6% of the time (689 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 41%, late-arriving aircraft 32% and air carrier 19%.

On time 80.6%
Arrived 15+ minutes late 19.3%
Cancelled 0.0%
Diverted 0.1%

Every scheduled departure from BZN in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	BZN, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	84.9%	—	79.6%	83.8%
Arrived on time	80.6%	—	79.5%	84.0%
Cancelled	0.0%	—	0.8%	0.4%
Average departure delay (late minutes only)	8.6 min	—	17.2 min	11.0 min
Scheduled departures a day	23	—	32	19,966
Scheduled departures	690	—	11,804	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	177	26%	68.9%	8.7 min	0.0%
DL Delta Air Lines	145	21%	86.9%	-1.5 min	0.0%
UA United Airlines	128	19%	78.9%	3.0 min	0.0%
OO SkyWest Airlines	112	16%	88.4%	-5.9 min	0.0%
AS Alaska Airlines	60	9%	88.3%	-2.0 min	0.0%
AA American Airlines	39	6%	84.6%	-2.4 min	0.0%
G4 Allegiant Air	29	4%	75.9%	6.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BZN–DEN	Bozeman to Denver	212	69.8%	7.9 min	0.0%
BZN–SLC	Bozeman to Salt Lake City	89	88.8%	-3.4 min	0.0%
BZN–LAS	Bozeman to Las Vegas	67	74.6%	6.9 min	0.0%
BZN–MSP	Bozeman to Minneapolis	62	83.9%	0.6 min	0.0%
BZN–ORD	Bozeman to Chicago	62	87.1%	-2.0 min	0.0%
BZN–SEA	Bozeman to Seattle	60	88.3%	-2.0 min	0.0%
BZN–DFW	Bozeman to Dallas/Fort Worth	35	82.9%	-1.6 min	0.0%
BZN–LAX	Bozeman to Los Angeles	31	83.9%	-0.7 min	0.0%
BZN–SFO	Bozeman to San Francisco	31	96.8%	-13.5 min	0.0%
BZN–ATL	Bozeman to Atlanta	21	95.2%	-7.8 min	0.0%
BZN–AZA	Bozeman to Phoenix	11	63.6%	6.9 min	0.0%
BZN–BNA	Bozeman to Nashville	9	88.9%	-1.9 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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	19.4%	41.3%	1,294
Late-arriving aircraft	31.6%	40.5%	2,103
National Aviation System	40.7%	14.4%	2,707
Extreme weather	8.3%	3.7%	554
Security	0.0%	0.2%	0

6,658 delay minutes on 133 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 October 2023?

84.9% of 690 scheduled domestic departures left less than 15 minutes late, and 80.6% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2023; 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.