Best Time to Fly STS to DFW: On-Time Stats by Hour & Airline
Charles M. Schulz - Sonoma County → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 71.0% of Santa Rosa (STS) to Dallas/Fort Worth (DFW) flights arrived on time (186 scheduled flights). That is 6.7 points below the national average of 77.6%.
Among 2 airlines, Envoy Air led with 84.2% on time and American Airlines was last with 59.8%.
Over 24 months, Tuesday was the most reliable day (82% on time) and June the worst month (55%).
The cancellation rate was 0.0% (US average 1.8%).
STS to DFW 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 | 84.2% | 56 min | 0.0% | 82 |
| American Airlines | 59.8% | 93 min | 0.0% | 104 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly STS to DFW
On-time arrival % by scheduled departure hour (local time), 397 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12pm–1pm | 65.3% | 0.3% | 308 |
| 1pm–2pm | 76.4% | 0.0% | 89 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on STS to DFW
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) | 58.8% | -12.9 pts | 0.8% | 123 |
| All other days | 71.8% | — | 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).