Best Time to Fly SBP to SAN: On-Time Stats by Hour & Airline
San Luis Obispo County Regional → San Diego International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.7% of San Luis Obispo (SBP) to San Diego (SAN) flights arrived on time (467 scheduled flights). That is 1.0 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
August has been the best month (85% on time) and Friday the weakest day of the week (72%).
3.9% of flights were cancelled, versus 1.8% nationally.
SBP to SAN 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 | 78.7% | 67 min | 3.9% | 467 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SBP to SAN
On-time arrival % by scheduled departure hour (local time), 1,188 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 86.5% | 6.3% | 572 |
| 11am–12pm | Limited data | 1 | |
| 12pm–1pm | 88.2% | 0.0% | 34 |
| 1pm–2pm | 85.7% | 0.0% | 42 |
| 2pm–3pm | 73.0% | 0.7% | 285 |
| 3pm–4pm | 68.6% | 0.0% | 170 |
| 4pm–5pm | 88.5% | 0.0% | 53 |
| 5pm–6pm | 61.3% | 0.0% | 31 |
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 SAN
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) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 63.3% | -18.0 pts | 15.2% | 59 |
| Summer peak (Jun 15 - Aug 15) | 77.0% | -4.2 pts | 2.6% | 153 |
| All other days | 81.2% | — | 2.5% | 950 |
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).