Best Time to Fly DEN to SBP: On-Time Stats by Hour & Airline
Denver International → San Luis Obispo County Regional
Data through July 2026 · Last updated October 18, 2026
724 flights were scheduled from Denver (DEN) to San Luis Obispo (SBP) in the last 12 months, and 78.6% of those that flew arrived on time, 0.9 points above the US average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 78.6% on time and United Airlines was last with 78.5%.
Over 24 months, Saturday was the most reliable day (80% on time) and June the worst month (60%).
The cancellation rate was 0.4% (US average 1.8%).
DEN to SBP 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 | 78.6% | 48 min | 0.0% | 290 |
| United Airlines | 78.5% | 100 min | 0.7% | 434 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to SBP
On-time arrival % by scheduled departure hour (local time), 1,454 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | 78.7% | 0.0% | 727 |
| 3pm–4pm | Limited data | 25 | |
| 6pm–7pm | Limited data | 10 | |
| 7pm–8pm | 74.6% | 0.7% | 691 |
| 8pm–9pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to SBP
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) | 67.3% | -12.1 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 67.3% | -12.1 pts | 0.8% | 248 |
| All other days | 79.4% | — | 0.2% | 1,120 |
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).