Best Time to Fly DFW to STS: On-Time Stats by Hour & Airline
Dallas/Fort Worth International → Charles M. Schulz - Sonoma County
Data through July 2026 · Last updated October 18, 2026
186 flights were scheduled from Dallas/Fort Worth (DFW) to Santa Rosa (STS) in the last 12 months, and 81.1% of those that flew arrived on time, 3.5 points above the US average of 77.6%.
Envoy Air was the most punctual of the 2 airlines on the route at 92.7%, while American Airlines trailed at 71.8%.
September has been the best month (88% on time) and Friday the weakest day of the week (71%).
0.0% of flights were cancelled, versus 1.8% nationally.
DFW 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 |
|---|---|---|---|---|
| Envoy Air | 92.7% | 62 min | 0.0% | 82 |
| American Airlines | 71.8% | 85 min | 0.0% | 104 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DFW to STS
On-time arrival % by scheduled departure hour (local time), 397 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 78.8% | 0.4% | 227 |
| 10am–11am | 73.2% | 0.0% | 155 |
| 11am–12pm | Limited data | 15 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DFW 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 | 12 | ||
| Summer peak (Jun 15 - Aug 15) | 67.8% | -12.7 pts | 0.8% | 123 |
| All other days | 80.5% | — | 0.0% | 262 |
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).