Best Time to Fly SNA to STS: On-Time Stats by Hour & Airline
John Wayne Airport-Orange County → Charles M. Schulz - Sonoma County
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.2% of Santa Ana (SNA) to Santa Rosa (STS) flights arrived on time (745 scheduled flights). That is 3.6 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (87% on time) and July the worst month (67%).
The cancellation rate was 0.7% (US average 1.8%).
SNA 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 | 81.2% | 66 min | 0.7% | 745 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SNA to STS
On-time arrival % by scheduled departure hour (local time), 1,430 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 3 | |
| 10am–11am | Limited data | 9 | |
| 11am–12pm | 80.0% | 0.2% | 457 |
| 12pm–1pm | 72.0% | 0.0% | 207 |
| 1pm–2pm | 81.0% | 0.0% | 63 |
| 3pm–4pm | Limited data | 3 | |
| 4pm–5pm | 78.4% | 1.2% | 259 |
| 5pm–6pm | 76.1% | 1.3% | 375 |
| 6pm–7pm | Limited data | 3 | |
| 7pm–8pm | 96.1% | 0.0% | 51 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SNA 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) | 78.1% | -2.1 pts | 3.0% | 33 |
| Christmas & New Year (Dec 20 - Jan 3) | 66.7% | -13.5 pts | 2.7% | 74 |
| Summer peak (Jun 15 - Aug 15) | 74.0% | -6.2 pts | 0.4% | 243 |
| All other days | 80.2% | — | 0.5% | 1,080 |
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).