Route · SBP → SAN · 2020–2025 BTS data
San Luis Obispo to San Diego
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SBP to SAN (San Luis Obispo to San Diego) ranks #4282 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.9%
- On-time
- +1.9 pts
- vs US avg
- 69 min
- Delay when late
- 1,305
- Flights
- #4282 of 4927
- Corpus placement
Cancelled
2.7%
Best Month
Nov 2024 86%
Worst Month
Dec 2025 73%
Distance
263 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 17 | 3 | 0 | OO |
| Nov 2025 | 59 | 11 | 5 | 0 | OO |
| Oct 2025 | 59 | 10 | 3 | 1 | OO |
| Aug 2025 | 50 | 8 | 1 | 0 | OO |
| Jul 2025 | 61 | 11 | 2 | 1 | OO |
| Jun 2025 | 60 | 15 | 1 | 0 | OO |
| May 2025 | 62 | 12 | 0 | 0 | OO |
| Apr 2025 | 60 | 14 | 3 | 0 | OO |
| Mar 2025 | 62 | 15 | 1 | 0 | OO |
| Feb 2025 | 56 | 11 | 3 | 0 | OO |
| Jan 2025 | 61 | 11 | 1 | 0 | OO |
| Dec 2024 | 61 | 10 | 8 | 1 | OO |
| Nov 2024 | 59 | 8 | 0 | 1 | OO |
| Oct 2024 | 57 | 9 | 1 | 0 | OO |
| Sep 2024 | 60 | 9 | 0 | 0 | OO |
| Aug 2024 | 62 | 9 | 0 | 0 | OO |
| Jul 2024 | 62 | 12 | 1 | 0 | OO |
| Jun 2024 | 48 | 2 | 0 | 0 | OO |
| May 2024 | 31 | 3 | 0 | 0 | OO |
| Apr 2024 | 30 | 7 | 0 | 0 | OO |
| Sep 2022 | 30 | 9 | 0 | 0 | OO |
| Aug 2022 | 31 | 9 | 0 | 0 | OO,QX |
| Jul 2022 | 31 | 9 | 0 | 0 | OO |
| Jun 2022 | 30 | 12 | 0 | 0 | OO |
SBP–SAN seasonal on-time pattern
Best: May (83.9%) · weakest: April (76.7%)
Strongest calendar month
May
83.9% on-time · ~47 flights/mo
Busiest calendar month
December
~62 flights/mo avg
Weakest calendar month
April
76.7% on-time · ~45 flights/mo
Cancellation Rate
2.7%
33 of 1,244 flights
Diversion Rate
0.3%
4 of 1,244 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SBP - San Luis Obispo
Full on-time, delay-cause, and seasonal performance for San Luis Obispo, CA.
SBP on-time profileSAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileCompare the two airports
See SBP and SAN side by side on delays, cancellations, and reliability.
Compare SBP vs SANOrigin-hub reliability standing
Mid-pack among SBP departures
From SBP, this corridor sits with 4 other 75–85% on-time routes out of 7 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 0 below 75%). Destination: San Diego · fleet on-time rank #2796 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SBP–SAN.
Routes with a similar on-time rate
What the Data Says About SBP to SAN
1,305 tracked flights put the SBP to SAN pairing (San Luis Obispo to San Diego) at a 80.9% on-time rate, squarely in line with the wider network. Delays that do occur run 68.6 minutes on average. Across the 263-mile route and its 2 carriers, the trailing 24 months show 2.7% cancelled and 0.3% diverted (1,244 flights sampled).
Monthly performance varies moderately here: Nov 2024 was the strongest month at 86% on-time versus Dec 2025 at 73%, a 14-point difference.
On the multi-year calendar, SBP–SAN peaks in May at 83.9% on-time while December carries the heaviest traffic (~62 flights per month) ; the softest month is April at 76.7%, a 7.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SBP to SAN rank among US routes by traffic? ▼
How often are flights delayed from SBP to SAN? ▼
What is the cancellation rate for SBP to SAN? ▼
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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 SBP–SAN data
SBP–SAN is mid-pack at 80.9% on-time; month and carrier mix move more than the corridor headline.
- Compare SBP and SAN airport profiles: delay causes and top routes differ even on the same corridor. SBP airport
- If your dates flex, May (83.9% on-time) beats April (76.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.9% 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.