Boise Air Terminal in March 2024

87.8%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 2024, reporting carriers scheduled 1,723 domestic departures from Boise Air Terminal (BOI). 87.8% left less than 15 minutes late and 84.6% reached their destination on time; 0.6% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so BOI departures were 9.3 points above the national departure figure.

Flights arriving at BOI that month were on time 84.0% of the time (1,725 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 34%, national aviation system 33% and late-arriving aircraft 27%.

On time 84.6%
Arrived 15+ minutes late 14.8%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from BOI in March 2024, judged by arrival at the destination.

March 2024 against a year earlier, the airport's year and the nation

Measure	Mar 2024	Year earlier	BOI, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	87.8%	—	83.9%	78.5%
Arrived on time	84.6%	—	82.9%	78.3%
Cancelled	0.6%	—	0.5%	0.9%
Average departure delay (late minutes only)	7.6 min	—	12.2 min	15.7 min
Scheduled departures a day	57	—	65	19,726
Scheduled departures	1,723	—	23,701	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	802	47%	86.8%	-0.8 min	0.4%
WN Southwest Airlines	372	22%	84.1%	2.5 min	0.5%
DL Delta Air Lines	217	13%	86.2%	-1.0 min	0.5%
UA United Airlines	65	4%	86.2%	-1.9 min	0.0%
AA American Airlines	62	4%	59.7%	25.4 min	0.0%
AS Alaska Airlines	62	4%	87.1%	-3.2 min	1.6%
NK Spirit Airlines	57	3%	82.5%	-0.4 min	3.5%
MQ Envoy Air	53	3%	86.8%	0.3 min	0.0%
G4 Allegiant Air	33	2%	66.7%	11.8 min	3.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BOI–SEA	Boise to Seattle	351	91.2%	-4.0 min	0.3%
BOI–DEN	Boise to Denver	209	86.6%	-3.8 min	1.0%
BOI–LAS	Boise to Las Vegas	172	76.7%	9.3 min	1.7%
BOI–SLC	Boise to Salt Lake City	143	89.5%	-4.3 min	0.0%
BOI–PHX	Boise to Phoenix	133	85.0%	5.4 min	0.0%
BOI–SFO	Boise to San Francisco	107	67.3%	10.0 min	0.9%
BOI–LAX	Boise to Los Angeles	77	96.1%	-8.3 min	0.0%
BOI–DFW	Boise to Dallas/Fort Worth	62	59.7%	25.4 min	0.0%
BOI–MSP	Boise to Minneapolis	62	83.9%	3.8 min	1.6%
BOI–SMF	Boise to Sacramento	57	89.5%	0.9 min	0.0%
BOI–OAK	Boise to Oakland	54	88.9%	-4.8 min	0.0%
BOI–PDX	Boise to Portland	51	86.3%	0.6 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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	33.6%	32.1%	4,560
Late-arriving aircraft	26.9%	42.1%	3,649
National Aviation System	33.4%	21.4%	4,525
Extreme weather	5.6%	4.2%	758
Security	0.5%	0.2%	65

13,557 delay minutes on 255 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 BOI on time in March 2024?

87.8% of 1,723 scheduled domestic departures left less than 15 minutes late, and 84.6% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 2023 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 March 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BOI · methodology · corrections.