San Luis Obispo County Regional in March 2026

84.2%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 March 2026, reporting carriers scheduled 412 domestic departures from San Luis Obispo County Regional (SBP). 84.2% left less than 15 minutes late and 80.3% reached their destination on time; 1.2% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so SBP departures were 11.4 points above the national departure figure.

A year earlier, in March 2025, the airport had 505 departures with 80.6% leaving on time: a change of +3.6 points, with flights down 18%.

Flights arriving at SBP that month were on time 81.9% of the time (414 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 34%, late-arriving aircraft 28% and extreme weather 25%.

On time 80.3%
Arrived 15+ minutes late 18.4%
Cancelled 1.2%
Diverted 0.0%

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

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

Measure	Mar 2026	Mar 2025	SBP, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	84.2%	80.6%	78.8%	72.8%
Arrived on time	80.3%	78.8%	75.3%	73.2%
Cancelled	1.2%	0.8%	1.2%	2.9%
Average departure delay (late minutes only)	17.2 min	15.5 min	20.9 min	20.3 min
Scheduled departures a day	14	17	14	20,403
Scheduled departures	412	505	5,010	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	276	67%	81.5%	6.2 min	1.4%
UA United Airlines	60	15%	81.7%	15.1 min	1.7%
AA American Airlines	53	13%	69.8%	30.8 min	0.0%
AS Alaska Airlines	14	3%	78.6%	-2.1 min	0.0%
MQ Envoy Air	9	2%	100.0%	-7.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBP–SFO	San Luis Obispo to San Francisco	93	76.3%	17.5 min	1.1%
SBP–PHX	San Luis Obispo to Phoenix	91	73.6%	30.0 min	1.1%
SBP–DEN	San Luis Obispo to Denver	62	85.5%	0.5 min	0.0%
SBP–LAX	San Luis Obispo to Los Angeles	47	93.6%	-8.7 min	2.1%
SBP–SAN	San Luis Obispo to San Diego	36	77.8%	0.0 min	5.6%
SBP–DFW	San Luis Obispo to Dallas/Fort Worth	31	71.0%	16.5 min	0.0%
SBP–LAS	San Luis Obispo to Las Vegas	22	90.9%	-5.5 min	0.0%
SBP–PDX	San Luis Obispo to Portland	16	93.8%	-11.6 min	0.0%
SBP–SEA	San Luis Obispo to Seattle	14	78.6%	-2.1 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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	34.2%	33.5%	2,462
Late-arriving aircraft	28.1%	39.3%	2,023
National Aviation System	10.3%	21.0%	743
Extreme weather	24.5%	5.9%	1,763
Security	3.0%	0.2%	218

7,209 delay minutes on 76 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 March 2026?

84.2% of 412 scheduled domestic departures left less than 15 minutes late, and 80.3% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 80.6% of 505 departures left on time and 0.8% were cancelled, against 84.2% and 1.2% in March 2026.

Provenance

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