San Luis Obispo County Regional in September 2024

85.7%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 2024, reporting carriers scheduled 483 domestic departures from San Luis Obispo County Regional (SBP). 85.7% left less than 15 minutes late and 84.5% reached their destination on time; 0.6% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so SBP departures were 1.3 points above the national departure figure.

A year earlier, in September 2023, the airport had 465 departures with 82.4% leaving on time: a change of +3.3 points, with flights up 4%.

Flights arriving at SBP that month were on time 81.1% of the time (482 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 38% and extreme weather 8%.

On time 84.5%
Arrived 15+ minutes late 14.9%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from SBP in September 2024, judged by arrival at the destination.

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

Measure	Sep 2024	Sep 2023	SBP, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	85.7%	82.4%	78.8%	84.4%
Arrived on time	84.5%	82.2%	75.3%	83.9%
Cancelled	0.6%	0.2%	1.2%	0.6%
Average departure delay (late minutes only)	17.8 min	18.0 min	20.9 min	10.6 min
Scheduled departures a day	16	16	14	19,421
Scheduled departures	483	465	5,010	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	351	73%	84.0%	6.4 min	0.9%
AA American Airlines	75	16%	81.3%	43.3 min	0.0%
UA United Airlines	30	6%	90.0%	3.6 min	0.0%
MQ Envoy Air	27	6%	92.6%	0.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBP–SFO	San Luis Obispo to San Francisco	95	74.7%	7.0 min	2.1%
SBP–PHX	San Luis Obispo to Phoenix	93	89.2%	12.6 min	0.0%
SBP–LAX	San Luis Obispo to Los Angeles	61	86.9%	15.1 min	0.0%
SBP–DEN	San Luis Obispo to Denver	60	91.7%	5.3 min	0.0%
SBP–SAN	San Luis Obispo to San Diego	60	85.0%	3.5 min	0.0%
SBP–SEA	San Luis Obispo to Seattle	55	83.6%	5.5 min	1.8%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	33	75.8%	57.0 min	0.0%
SBP–PDX	San Luis Obispo to Portland	26	92.3%	5.8 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	47.8%	38.6%	4,091
Late-arriving aircraft	37.6%	38.4%	3,221
National Aviation System	6.3%	18.2%	542
Extreme weather	8.2%	4.8%	703
Security	0.0%	0.1%	1

8,558 delay minutes on 72 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 2024?

85.7% of 483 scheduled domestic departures left less than 15 minutes late, and 84.5% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 82.4% of 465 departures left on time and 0.2% were cancelled, against 85.7% and 0.6% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.