San Luis Obispo County Regional in June 2025

75.6%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 June 2025, reporting carriers scheduled 431 domestic departures from San Luis Obispo County Regional (SBP). 75.6% left less than 15 minutes late and 74.2% reached their destination on time; 0.5% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so SBP departures were 4.2 points above the national departure figure.

A year earlier, in June 2024, the airport had 413 departures with 83.5% leaving on time: a change of −7.9 points, with flights up 4%.

Flights arriving at SBP that month were on time 71.7% of the time (431 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 38% and national aviation system 16%.

On time 74.2%
Arrived 15+ minutes late 25.3%
Cancelled 0.5%
Diverted 0.0%

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

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

Measure	Jun 2025	Jun 2024	SBP, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	75.6%	83.5%	78.8%	71.4%
Arrived on time	74.2%	82.3%	75.3%	70.3%
Cancelled	0.5%	0.0%	1.2%	1.6%
Average departure delay (late minutes only)	27.5 min	12.0 min	20.9 min	22.1 min
Scheduled departures a day	14	14	14	20,386
Scheduled departures	431	413	5,010	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	275	64%	77.1%	13.2 min	0.7%
AA American Airlines	88	20%	72.7%	32.4 min	0.0%
AS Alaska Airlines	30	7%	46.7%	27.3 min	0.0%
UA United Airlines	30	7%	80.0%	33.7 min	0.0%
MQ Envoy Air	8	2%	75.0%	23.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBP–PHX	San Luis Obispo to Phoenix	90	75.6%	23.8 min	0.0%
SBP–SFO	San Luis Obispo to San Francisco	90	75.6%	7.6 min	0.0%
SBP–DEN	San Luis Obispo to Denver	60	76.7%	31.6 min	0.0%
SBP–LAX	San Luis Obispo to Los Angeles	60	91.7%	0.4 min	0.0%
SBP–SAN	San Luis Obispo to San Diego	60	73.3%	20.3 min	1.7%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	30	53.3%	54.1 min	0.0%
SBP–SEA	San Luis Obispo to Seattle	30	46.7%	27.3 min	0.0%
SBP–PDX	San Luis Obispo to Portland	11	81.8%	8.1 min	9.1%

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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	42.7%	31.6%	4,902
Late-arriving aircraft	38.4%	40.6%	4,405
National Aviation System	15.6%	20.9%	1,789
Extreme weather	2.9%	6.9%	327
Security	0.4%	0.2%	50

11,473 delay minutes on 109 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 June 2025?

75.6% of 431 scheduled domestic departures left less than 15 minutes late, and 74.2% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 83.5% of 413 departures left on time and 0.0% were cancelled, against 75.6% and 0.5% in June 2025.

Provenance

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