San Luis Obispo County Regional in September 2023

82.4%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 September 2023, reporting carriers scheduled 465 domestic departures from San Luis Obispo County Regional (SBP). 82.4% left less than 15 minutes late and 82.2% reached their destination on time; 0.2% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so SBP departures were 1.9 points above the national departure figure.

Flights arriving at SBP that month were on time 79.8% of the time (466 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 64%, late-arriving aircraft 33% and national aviation system 2%.

On time 82.2%
Arrived 15+ minutes late 17.6%
Cancelled 0.2%
Diverted 0.0%

Every scheduled departure from SBP in September 2023, judged by arrival at the destination.

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

Measure	Sep 2023	Year earlier	SBP, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	82.4%	—	78.8%	80.5%
Arrived on time	82.2%	—	75.3%	80.1%
Cancelled	0.2%	—	1.2%	1.2%
Average departure delay (late minutes only)	18.0 min	—	20.9 min	14.1 min
Scheduled departures a day	16	—	14	18,978
Scheduled departures	465	—	5,010	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	403	87%	81.6%	10.8 min	0.2%
AA American Airlines	59	13%	86.4%	-8.8 min	0.0%
MQ Envoy Air	2	0%	50.0%	4.5 min	0.0%
UA United Airlines	1	0%	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	67.5%	22.3 min	0.0%
SBP–PHX	San Luis Obispo to Phoenix	84	89.3%	6.5 min	0.0%
SBP–DEN	San Luis Obispo to Denver	60	85.0%	9.8 min	0.0%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	60	85.0%	-8.1 min	0.0%
SBP–LAX	San Luis Obispo to Los Angeles	55	89.1%	6.3 min	1.8%
SBP–SEA	San Luis Obispo to Seattle	30	86.7%	1.0 min	0.0%
SBP–PDX	San Luis Obispo to Portland	28	82.1%	6.4 min	0.0%
SBP–SAN	San Luis Obispo to San Diego	28	92.9%	-2.2 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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	64.0%	36.4%	5,061
Late-arriving aircraft	32.5%	38.3%	2,569
National Aviation System	2.3%	19.9%	184
Extreme weather	1.2%	5.1%	98
Security	0.0%	0.2%	0

7,912 delay minutes on 82 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 September 2023?

82.4% of 465 scheduled domestic departures left less than 15 minutes late, and 82.2% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 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 September 2023; 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.