San Luis Obispo County Regional in January 2026

83.8%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 January 2026, reporting carriers scheduled 470 domestic departures from San Luis Obispo County Regional (SBP). 83.8% left less than 15 minutes late and 80.4% reached their destination on time; 1.7% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so SBP departures were 8.2 points above the national departure figure.

A year earlier, in January 2025, the airport had 424 departures with 87.5% leaving on time: a change of −3.7 points, with flights up 11%.

Flights arriving at SBP that month were on time 80.9% of the time (470 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 33%, late-arriving aircraft 31% and national aviation system 26%.

On time 80.4%
Arrived 15+ minutes late 17.2%
Cancelled 1.7%
Diverted 0.6%

Every scheduled departure from SBP in January 2026, judged by arrival at the destination.

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

Measure	Jan 2026	Jan 2025	SBP, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	83.8%	87.5%	78.8%	75.6%
Arrived on time	80.4%	85.8%	75.3%	75.3%
Cancelled	1.7%	0.7%	1.2%	4.7%
Average departure delay (late minutes only)	11.3 min	9.7 min	20.9 min	16.7 min
Scheduled departures a day	16	14	14	18,133
Scheduled departures	470	424	5,010	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	281	60%	79.7%	5.1 min	1.4%
MQ Envoy Air	106	23%	88.7%	-3.7 min	0.0%
AA American Airlines	45	10%	62.2%	14.5 min	8.9%
UA United Airlines	32	7%	84.4%	3.2 min	0.0%
AS Alaska Airlines	6	1%	83.3%	0.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBP–PHX	San Luis Obispo to Phoenix	136	86.0%	-1.2 min	0.7%
SBP–SFO	San Luis Obispo to San Francisco	98	79.6%	8.6 min	1.0%
SBP–DEN	San Luis Obispo to Denver	62	83.9%	6.8 min	0.0%
SBP–SAN	San Luis Obispo to San Diego	62	74.2%	3.9 min	4.8%
SBP–LAX	San Luis Obispo to Los Angeles	57	78.9%	0.8 min	0.0%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	31	54.8%	19.9 min	9.7%
SBP–LAS	San Luis Obispo to Las Vegas	18	100.0%	-11.9 min	0.0%
SBP–SEA	San Luis Obispo to Seattle	6	83.3%	0.5 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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	33.1%	37.3%	1,723
Late-arriving aircraft	31.4%	35.0%	1,638
National Aviation System	26.4%	18.0%	1,375
Extreme weather	9.0%	9.6%	471
Security	0.0%	0.1%	2

5,209 delay minutes on 81 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 January 2026?

83.8% of 470 scheduled domestic departures left less than 15 minutes late, and 80.4% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 87.5% of 424 departures left on time and 0.7% were cancelled, against 83.8% and 1.7% in January 2026.

Provenance

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