San Luis Obispo County Regional in October 2025

77.8%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 October 2025, reporting carriers scheduled 486 domestic departures from San Luis Obispo County Regional (SBP). 77.8% left less than 15 minutes late and 75.1% reached their destination on time; 1.2% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so SBP departures were 2.2 points below the national departure figure.

A year earlier, in October 2024, the airport had 517 departures with 83.9% leaving on time: a change of −6.1 points, with flights down 6%.

Flights arriving at SBP that month were on time 76.4% of the time (488 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 30%, late-arriving aircraft 27% and national aviation system 24%.

On time 75.1%
Arrived 15+ minutes late 23.5%
Cancelled 1.2%
Diverted 0.2%

Every scheduled departure from SBP in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

Measure	Oct 2025	Oct 2024	SBP, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	77.8%	83.9%	78.8%	80.0%
Arrived on time	75.1%	79.9%	75.3%	79.1%
Cancelled	1.2%	0.2%	1.2%	0.5%
Average departure delay (late minutes only)	18.0 min	19.3 min	20.9 min	13.9 min
Scheduled departures a day	16	17	14	20,195
Scheduled departures	486	517	5,010	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	326	67%	74.2%	9.6 min	0.9%
AA American Airlines	94	19%	68.1%	21.5 min	2.1%
AS Alaska Airlines	31	6%	80.6%	-1.7 min	3.2%
UA United Airlines	31	6%	96.8%	-5.6 min	0.0%
MQ Envoy Air	4	1%	100.0%	-8.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBP–SFO	San Luis Obispo to San Francisco	120	59.2%	14.9 min	0.0%
SBP–PHX	San Luis Obispo to Phoenix	103	71.8%	21.2 min	1.0%
SBP–DEN	San Luis Obispo to Denver	62	85.5%	6.9 min	0.0%
SBP–LAX	San Luis Obispo to Los Angeles	59	93.2%	-5.6 min	0.0%
SBP–SAN	San Luis Obispo to San Diego	59	76.3%	13.5 min	5.1%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	31	67.7%	8.6 min	3.2%
SBP–SEA	San Luis Obispo to Seattle	31	80.6%	-1.7 min	3.2%
SBP–PDX	San Luis Obispo to Portland	15	100.0%	-9.5 min	0.0%
SBP–LAS	San Luis Obispo to Las Vegas	6	100.0%	-7.2 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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	30.0%	34.0%	2,638
Late-arriving aircraft	27.0%	39.7%	2,374
National Aviation System	24.3%	22.9%	2,137
Extreme weather	18.7%	3.3%	1,639
Security	0.0%	0.1%	0

8,788 delay minutes on 114 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 SBP on time in October 2025?

77.8% of 486 scheduled domestic departures left less than 15 minutes late, and 75.1% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 83.9% of 517 departures left on time and 0.2% were cancelled, against 77.8% and 1.2% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SBP · methodology · corrections.