San Luis Obispo (SBP) to San Francisco (SFO): On-Time Performance
Data through July 2026
San Luis Obispo (SBP) to San Francisco (SFO) effectively runs on two schedules. In July 2024, 87% of arrivals were on time; in June 2026 that fell to 35% — a 52-point seasonal swing. Across the full period the route averages 68% on-time against a national 78%.
- On-time
- 68%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 3.1
- last 12 months
- Duration
- 1h 10m
- scheduled
- Distance
- 191 mi
Best airline from SBP to SFO
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 69% | 22 min | 1.2% | 2,126 |
| United Airlines | 57% | 37 min | 1.2% | 241 |
Monthly on-time trend
Best time to fly from SBP to SFO
Aim for departures around 5 p.m. (89% on-time); avoid 8 p.m. departures (36%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 22 min |
| Tuesdaybest | 76% | 18 min |
| Wednesday | 65% | 21 min |
| Thursday | 67% | 26 min |
| Friday | 65% | 28 min |
| Saturday | 71% | 26 min |
| Sunday | 66% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft15%
- Airline operations32%
- National airspace system43%
- Weather10%
- Security1%
Frequently asked questions
- How often are flights from SBP to SFO delayed?
- 32% of SBP–SFO 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 24 minutes.
- Which airline is most reliable from SBP to SFO?
- SkyWest Airlines has the best on-time record on this route at 69%, based on 2,126 flights. 2 airlines flew SBP–SFO frequently enough to compare in this period.
- What is the best time of day to fly from SBP to SFO?
- Departures around 5 p.m. have the best record (89% on-time), while departures around 8 p.m. have the worst (36%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SBP to SFO?
- The scheduled SBP–SFO flight time averages 1h 10m over 191 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
- How often are SBP to SFO 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 SBP to SFO?
- June 2026 was the roughest month in this dataset, with only 35% of arrivals on time. The best was July 2024 at 87%. If your dates are flexible, that 52-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.