San Luis Obispo

SBP · KSBP

San Luis County Regional Airport

35.24°, -120.64°CA, United States

Passengers a year

823.8K

#156 busiest in the U.S.

9

nonstop destinations

9

airlines

16

departures a day

80.8%

arrivals on time

1.2%

flights cancelled

79.0%

load factor

The ten busiest routes from SBP, by passengers: PHX, DEN, SFO, DFW, SAN, SEA, LAX, PDX, LASSBPSFOPDXSEADENLASDFWPHXLAXSAN
Nonstop routes — the ten busiest. Filed traffic, August 2025 – July 2026.

Airlines

United Airlines is the largest carrier at San Luis Obispo, with 39% of all passengers. 9 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

United Airlines holds 39% of the airport — the 107th most concentrated of 120 non-hub airports. The nearest comparison is MRY at 40%.

AirlineSharePassengersSeats YoY
UA
United80% fullUnited Express · operated by SkyWest
39.4%324.9K-0.2%
AA
American81% fullAmerican Eagle · operated by SkyWest, Envoy
33.5%276.4K+13.8%
AS
Alaska76% fullOperated by Horizon, SkyWest
26.7%219.9K-28.9%
G4
Allegiant64% full
0.3%2.5K—
DL
Delta0% fullDelta Connection · operated by SkyWest
0.0%52—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

9 nonstop destinations from San Luis Obispo, all domestic.

100% domestic · 0% international · by departing passengers

Top domestic destinations

  • Phoenix (PHX)

    93.5K departing · 75% full

    American Airlines

  • Denver (DEN)

    68.2K departing · 83% full

    United Airlines

  • San Francisco (SFO)

    64.5K departing · 70% full

    United Airlines

  • Dallas-Fort Worth (DFW)

    47K departing · 86% full

    American Airlines

  • San Diego (SAN)

    38.6K departing · 73% full

    Alaska Airlines

  • Seattle (SEA)

    38.4K departing · 77% full

    Alaska Airlines

  • Los Angeles (LAX)

    29.3K departing · 66% full

    United Airlines

  • Portland (PDX)

    25.9K departing · 77% full

    Alaska Airlines

  • Las Vegas (LAS)

    7.9K departing · 63% full

    Alaska Airlines

All nonstop destinations

9 nonstop · 3 airlines · 9 domestic / 0 intl

DENDenverSFOSan Francisco

United Express · operated by SkyWest Airlines

LAXLos Angeles

United Airlines profile

Aircraft

By share of departures at San Luis Obispo.

Body class · share of departures

When San Luis Obispo is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Departures a month · peak July 2026

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
20,057
1991
20,638
1992
38,039
1993
17,984
1994
4,743
1995
32,798
1996
41,926
1998
64,302
1999
85,312
2000
87,354
2001
88,068
2002
146,698
2003
279,384
2004
307,260
2005
340,240
2006
341,337
2007
354,848
2008
298,907
2009
233,452
2010
256,387
2011
263,166
2012
251,384
2013
267,882
2014
299,897
2015
286,477
2016
323,591
2017
393,151
2018
467,693
2019
531,126
2020
260,290
2021
397,835
2022
542,524
2023
644,411
2024
726,285
2025
792,414
2026
482,238 so far

Arriving on time

Of every 100 flights landing at San Luis Obispo, 81 touch down within 15 minutes of schedule, 18 arrive late, and 1 is cancelled.

See live FAA delays

Every 100 arrivals

On time 81Late 18Cancelled 1

17 min

average delay

58

flights cancelled

4.9K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

Envoy Air 91.9%

Least reliable here

United Airlines 75.7%

Among US airports

#156

On time, month by month

Darker is better · 77.4%–83.3%

The weak spot is July 2026, when 77.4% of arrivals landed on time — 3.4 points below the year. The strongest was March 2026 at 83.3%.

Frequently asked

How busy is San Luis County Regional Airport (SBP)?

San Luis County Regional Airport handled about 823.8K passengers over the trailing 12 months, ranking #156 among U.S. airports by passengers, with roughly 16 departures a day.

Which airline is the largest at San Luis County Regional Airport (SBP)?

United Airlines is the largest carrier at San Luis Obispo (SBP), flying about 39% of its passengers. 9 airlines serve San Luis Obispo in total.

How many places can you fly nonstop from San Luis County Regional Airport (SBP)?

San Luis Obispo (SBP) has 9 nonstop destinations, all domestic.

How often do flights arrive on time at San Luis County Regional Airport (SBP)?

About 80.8% of flights arriving at San Luis Obispo (SBP) touch down within 15 minutes of schedule, per US DOT figures. About 1.2% are cancelled.

What aircraft flies most from San Luis County Regional Airport (SBP)?

The Embraer E175 flew the largest share of departures from San Luis Obispo (SBP), about 56% of the total.

Departing counts passengers leaving San Luis Obispo. Data: traffic August 2025 – July 2026, on-time August 2025 – July 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).