San Luis Obispo
SBP · KSBPSan Luis County Regional Airport
Passengers a year
808.8K
#155 busiest in the U.S.
9
nonstop destinations
9
airlines
16
departures a day
80.1%
arrivals on time
1.2%
flights cancelled
80.0%
load factor
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 104th most concentrated of 118 non-hub airports. The nearest comparison is MOB at 40%.
| Airline | Share | Passengers | Seats YoY | ||
|---|---|---|---|---|---|
UA | 39.2% | 316.9K | 3 | 74.5% | -8.4% |
AA | 33.9% | 274.2K | 2 | 79.1% | +14.6% |
AS | 26.6% | 215.1K | 4 | 80% | -10.1% |
G4 Allegiant79% full | 0.3% | 2.4K | — | — | — |
DL | 0.0% | 53 | — | — | — |
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
American Airlines
United Airlines
62K61,970 departing · 75% full
United Airlines
47.7K47,709 departing · 87% full
American Airlines
Alaska Airlines
Alaska Airlines
30.8K30,837 departing · 68% full
United Airlines
Alaska Airlines
Alaska Airlines
All nonstop destinations
9 nonstop · 3 airlines · 9 domestic / 0 intl
United Express · operated by SkyWest Airlines
Aircraft
By share of departures at San Luis Obispo.
Body class · share of departures
- Regional
3,177 departures · 79% full
55.4%
- Regional
614 departures · 83% full
10.7%
- Narrowbody
597 departures · 83% full
10.4%
- Narrowbody
514 departures · 77% full
9.0%
- Narrowbody
430 departures · 81% full
7.5%
- Regional
323 departures · 85% full
5.6%
- Narrowbody
60 departures · 87% full
1.1%
- Narrowbody
13 departures · 73% full
0.2%
Beechcraft Super King Air
3 departures · 64% full
0.1%
- Regional
2 departures · 61% full
0.0%
When San Luis Obispo is busiest
Departures by month over the trailing year. Bars scale to the busiest month.
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Departures a month · peak May 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
- 322,150 so far
Arriving on time
Of every 100 flights landing at San Luis Obispo, 80 touch down within 15 minutes of schedule, 19 arrive late, and 1 is cancelled.
Every 100 arrivals
17 min
average delay
60
flights cancelled
5K
arrivals measured
What holds flights up
Share of delay minutes
Most reliable here
Envoy Air 92.8%
Least reliable here
United Airlines 74.5%
Among US airports
#155
On time, month by month
J
A
S
O
N
D
J
F
M
A
M
J
Darker is better · 69.2%–83.3%
The weak spot is July 2025, when 69.2% of arrivals landed on time — 10.9 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 808.8K passengers over the trailing 12 months, ranking #155 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 80.1% 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 55% of the total.
Departing counts passengers leaving San Luis Obispo. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).