San Francisco (SFO) to San Luis Obispo (SBP): On-Time Performance
Data through July 2026
The calendar drives reliability on SFO–SBP. October 2024 flights landed on schedule 90% of the time, but June 2026 dropped to 64% — a gap of 26 points. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 3.1
- last 12 months
- Duration
- 1h 14m
- scheduled
- Distance
- 191 mi
Best airline from SFO to SBP
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 79% | 21 min | 1.2% | 2,125 |
| United Airlines | 70% | 19 min | 0.8% | 242 |
Monthly on-time trend
Best time to fly from SFO to SBP
Aim for departures around 7 p.m. (86% on-time); avoid 8 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 27 min |
| Tuesdaybest | 86% | 10 min |
| Wednesday | 80% | 21 min |
| Thursday | 80% | 21 min |
| Friday | 73% | 24 min |
| Saturday | 84% | 24 min |
| Sunday | 75% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations33%
- National airspace system23%
- Weather17%
Frequently asked questions
- How often are flights from SFO to SBP delayed?
- 22% of SFO–SBP flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from SFO to SBP?
- SkyWest Airlines has the best on-time record on this route at 79%, based on 2,125 flights. 2 airlines flew SFO–SBP frequently enough to compare in this period.
- What is the best time of day to fly from SFO to SBP?
- Departures around 7 p.m. have the best record (86% on-time), while departures around 8 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFO to SBP?
- The scheduled SFO–SBP flight time averages 1h 14m over 191 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are SFO to SBP flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SFO to SBP?
- June 2026 was the roughest month in this dataset, with only 64% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 2,367 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.