Route · SAN → SBP · 2020–2025 BTS data
San Diego to San Luis Obispo
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to SBP (San Diego to San Luis Obispo) ranks #4281 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 73.3%
- On-time
- -5.7 pts
- vs US avg
- 57 min
- Delay when late
- 1,307
- Flights
- #4281 of 4927
- Corpus placement
Cancelled
3.1%
Best Month
Oct 2025 85%
Worst Month
Jun 2025 62%
Distance
263 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 16 | 5 | 0 | OO |
| Nov 2025 | 59 | 12 | 4 | 2 | OO |
| Oct 2025 | 60 | 9 | 5 | 1 | OO |
| Aug 2025 | 49 | 8 | 1 | 0 | OO |
| Jul 2025 | 61 | 22 | 3 | 0 | OO |
| Jun 2025 | 60 | 23 | 1 | 0 | OO |
| May 2025 | 62 | 18 | 0 | 0 | OO |
| Apr 2025 | 60 | 20 | 3 | 0 | OO |
| Mar 2025 | 61 | 21 | 1 | 0 | OO |
| Feb 2025 | 56 | 13 | 3 | 0 | OO |
| Jan 2025 | 61 | 17 | 1 | 0 | OO |
| Dec 2024 | 62 | 19 | 9 | 0 | OO |
| Nov 2024 | 59 | 22 | 1 | 0 | OO |
| Oct 2024 | 58 | 20 | 1 | 1 | OO |
| Sep 2024 | 60 | 14 | 0 | 0 | OO |
| Aug 2024 | 62 | 11 | 0 | 0 | OO |
| Jul 2024 | 62 | 16 | 1 | 0 | OO |
| Jun 2024 | 48 | 11 | 0 | 0 | OO |
| May 2024 | 32 | 4 | 0 | 0 | OO |
| Apr 2024 | 30 | 5 | 0 | 0 | OO |
| Sep 2022 | 30 | 13 | 0 | 0 | OO |
| Aug 2022 | 31 | 10 | 0 | 0 | OO |
| Jul 2022 | 31 | 14 | 0 | 0 | OO |
| Jun 2022 | 30 | 7 | 0 | 0 | OO |
SAN–SBP seasonal on-time pattern
Best: August (79.6%) · weakest: July (66.2%)
Strongest calendar month
August
79.6% on-time · ~47 flights/mo
Busiest calendar month
December
~62 flights/mo avg
Weakest calendar month
July
66.2% on-time · ~51 flights/mo
Cancellation Rate
3.1%
39 of 1,246 flights
Diversion Rate
0.3%
4 of 1,246 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileSBP - San Luis Obispo
Full on-time, delay-cause, and seasonal performance for San Luis Obispo, CA.
SBP on-time profileCompare the two airports
See SAN and SBP side by side on delays, cancellations, and reliability.
Compare SAN vs SBPOrigin-hub reliability standing
Softer reliability from SAN
Among 51 routes leaving SAN, only 4 (including this one) clear below 75% on-time, while 13 stay ≥85% and 34 sit mid-band. Travelers comparing SAN options should weigh this 73.3% print against those peers · fleet on-time rank #4660 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–SBP.
Routes with a similar on-time rate
What the Data Says About SAN to SBP
On-time performance on the SAN to SBP pairing (San Diego to San Luis Obispo) trails a chunk of the network: 73.3% of 1,307 tracked flights arrived on schedule, with a 57.0-minute average delay on the ones that ran late. The route spans about 263 miles across 2 carriers. Cancellations over the trailing 24 months hit 3.1% (39 of 1,246 flights), with 0.3% diverted.
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 85% on-time, while Jun 2025 came in at just 62% - a 23-point swing worth factoring into travel timing.
On the multi-year calendar, SAN–SBP peaks in August at 79.6% on-time while December carries the heaviest traffic (~62 flights per month) ; the softest month is July at 66.2%, a 13.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SAN to SBP rank among US routes by traffic? ▼
How often are flights delayed from SAN to SBP? ▼
What is the cancellation rate for SAN to SBP? ▼
How far is the flight from SAN to SBP? ▼
When is the best time to fly from SAN to SBP? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using SAN–SBP data
SAN–SBP sits 5.7 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare SAN and SBP airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
- If your dates flex, August (79.6% on-time) beats July (66.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 73.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.