San Diego (SAN) to San Luis Obispo (SBP): On-Time Performance
Data through May 2026
The biggest risk when flying SAN to SBP isn't a late arrival — it's not departing at all. 3.6% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 73% land on time, below the national average of 78%.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 3.6%
- Flights/day
- 1.6
- last 12 months
- Duration
- 1h 16m
- scheduled
- Distance
- 263 mi
Monthly on-time trend
Best time to fly from SAN to SBP
Aim for departures around 10 a.m. (94% on-time); avoid 1 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 67% | 16 min |
| Tuesdaybest | 88% | 8 min |
| Wednesday | 82% | 11 min |
| Thursday | 67% | 21 min |
| Friday | 62% | 24 min |
| Saturday | 84% | 8 min |
| Sunday | 62% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations15%
- National airspace system27%
- Weather5%
Frequently asked questions
- How often are flights from SAN to SBP delayed?
- 27% of SAN–SBP flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- What is the best time of day to fly from SAN to SBP?
- Departures around 10 a.m. have the best record (94% on-time), while departures around 1 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAN to SBP?
- The scheduled SAN–SBP flight time averages 1h 16m over 263 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are SAN to SBP flights cancelled?
- 3.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from SAN to SBP?
- June 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was February 2026 at 92%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 1,290 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.