Best Time to Fly LAS to STS: On-Time Stats by Hour & Airline
Harry Reid International → Charles M. Schulz - Sonoma County
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.5% of Las Vegas (LAS) to Santa Rosa (STS) flights arrived on time (346 scheduled flights). That is 0.9 points above the national average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 83.0% on time and Southwest Airlines was last with 69.6%.
Over 24 months, Saturday was the most reliable day (90% on time) and December the worst month (51%).
The cancellation rate was 0.0% (US average 1.8%).
LAS to STS 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 | 83.0% | 56 min | 0.0% | 230 |
| Southwest Airlines | 69.6% | 45 min | 0.0% | 116 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to STS
On-time arrival % by scheduled departure hour (local time), 547 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 24 | |
| 10am–11am | Limited data | 14 | |
| 11am–12pm | Limited data | 8 | |
| 12pm–1pm | 84.1% | 0.0% | 88 |
| 1pm–2pm | Limited data | 18 | |
| 2pm–3pm | 57.4% | 0.0% | 109 |
| 3pm–4pm | Limited data | 20 | |
| 4pm–5pm | 72.8% | 0.7% | 149 |
| 5pm–6pm | 64.0% | 2.6% | 77 |
| 6pm–7pm | Limited data | 9 | |
| 7pm–8pm | 93.5% | 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 LAS to STS
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 | 6 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 15 | ||
| Summer peak (Jun 15 - Aug 15) | 55.3% | -19.7 pts | 0.0% | 47 |
| All other days | 75.0% | — | 0.6% | 479 |
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).