San Luis Obispo County Regional in June 2026

73.4%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 June 2026, reporting carriers scheduled 357 domestic departures from San Luis Obispo County Regional (SBP). 73.4% left less than 15 minutes late and 71.1% reached their destination on time; 0.3% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so SBP departures were 1.2 points above the national departure figure.

A year earlier, in June 2025, the airport had 431 departures with 75.6% leaving on time: a change of −2.2 points, with flights down 17%.

Flights arriving at SBP that month were on time 77.2% of the time (356 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 44%, late-arriving aircraft 33% and air carrier 20%.

On time 71.1%
Arrived 15+ minutes late 27.5%
Cancelled 0.3%
Diverted 1.1%

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

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

Measure	Jun 2026	Jun 2025	SBP, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	73.4%	75.6%	78.8%	72.2%
Arrived on time	71.1%	74.2%	75.3%	72.8%
Cancelled	0.3%	0.5%	1.2%	1.6%
Average departure delay (late minutes only)	22.7 min	27.5 min	20.9 min	20.6 min
Scheduled departures a day	12	14	14	20,253
Scheduled departures	357	431	5,010	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	147	41%	80.3%	10.2 min	0.0%
UA United Airlines	120	34%	57.5%	26.7 min	0.8%
AA American Airlines	90	25%	74.4%	17.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBP–PHX	San Luis Obispo to Phoenix	90	86.7%	4.6 min	0.0%
SBP–SFO	San Luis Obispo to San Francisco	90	34.4%	45.5 min	1.1%
SBP–DEN	San Luis Obispo to Denver	60	75.0%	14.1 min	0.0%
SBP–LAX	San Luis Obispo to Los Angeles	59	94.9%	-2.9 min	0.0%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	30	56.7%	40.1 min	0.0%
SBP–PDX	San Luis Obispo to Portland	10	100.0%	-6.1 min	0.0%
SBP–SAN	San Luis Obispo to San Diego	9	88.9%	5.4 min	0.0%
SBP–SEA	San Luis Obispo to Seattle	9	100.0%	-4.8 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	20.3%	30.8%	1,613
Late-arriving aircraft	32.8%	42.1%	2,610
National Aviation System	43.7%	20.3%	3,480
Extreme weather	2.4%	6.7%	193
Security	0.8%	0.1%	63

7,959 delay minutes on 98 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 2026?

73.4% of 357 scheduled domestic departures left less than 15 minutes late, and 71.1% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 75.6% of 431 departures left on time and 0.5% were cancelled, against 73.4% and 0.3% in June 2026.

Provenance

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