Best Time to Fly SBP to SFO: On-Time Stats by Hour & Airline
San Luis Obispo County Regional → San Francisco International
Data through July 2026 · Last updated October 18, 2026
1,145 flights were scheduled from San Luis Obispo (SBP) to San Francisco (SFO) in the last 12 months, and 59.7% of those that flew arrived on time, 17.9 points below the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 60.5%, while United Airlines trailed at 56.7%.
January has been the best month (81% on time) and Wednesday the weakest day of the week (64%).
1.2% of flights were cancelled, versus 1.8% nationally.
SBP to SFO on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 60.5% | 69 min | 1.2% | 904 |
| United Airlines | 56.7% | 82 min | 1.2% | 241 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SBP to SFO
On-time arrival % by scheduled departure hour (local time), 2,305 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 18 | |
| 6am–7am | 84.6% | 1.9% | 537 |
| 7am–8am | Limited data | 15 | |
| 8am–9am | 37.1% | 0.7% | 304 |
| 10am–11am | 66.9% | 0.0% | 166 |
| 11am–12pm | 62.9% | 0.0% | 36 |
| 2pm–3pm | 64.9% | 0.1% | 701 |
| 3pm–4pm | Limited data | 18 | |
| 4pm–5pm | 77.5% | 2.2% | 91 |
| 5pm–6pm | 88.9% | 0.0% | 36 |
| 6pm–7pm | 79.3% | 4.5% | 264 |
| 7pm–8pm | Limited data | 12 | |
| 8pm–9pm | 36.2% | 1.9% | 107 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SBP to SFO
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 73.6% | +4.7 pts | 0.0% | 53 |
| Christmas & New Year (Dec 20 - Jan 3) | 64.6% | -4.3 pts | 4.0% | 100 |
| Summer peak (Jun 15 - Aug 15) | 60.6% | -8.2 pts | 0.3% | 355 |
| All other days | 68.8% | — | 1.3% | 1,797 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).