ORIGIN AIRPORT REPORT
STS
Santa Rosa, CA (STS) departure reliability
Of 5,470 scheduled reportable flights departing STS, 78.3% arrived on time, 13.0% arrived at least 30 minutes late, and 1.6% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALGenerally reliable
78.3%arrived on time
13.0%30+ min late
1.6%cancelled
5,470scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from STS had the largest sample?
STS to SAN was STS's largest published route sample, with 959 scheduled flights and a 74.0% on-time rate during July 2025–June 2026.
STS→SANSanta Rosa, CA (STS) to San Diego, CA (SAN)959 flights analyzedVariable74.0%on timeSTS→SNASanta Rosa, CA (STS) to Santa Ana, CA (SNA)746 flights analyzedGenerally reliable77.9%on timeSTS→LAXSanta Rosa, CA (STS) to Los Angeles, CA (LAX)702 flights analyzedVariable81.5%on timeSTS→PHXSanta Rosa, CA (STS) to Phoenix, AZ (PHX)693 flights analyzedGenerally reliable76.6%on timeSTS→BURSanta Rosa, CA (STS) to Burbank, CA (BUR)596 flights analyzedVariable78.0%on timeSTS→PDXSanta Rosa, CA (STS) to Portland, OR (PDX)578 flights analyzedGenerally reliable88.9%on timeSTS→SEASanta Rosa, CA (STS) to Seattle, WA (SEA)463 flights analyzedGenerally reliable73.0%on timeSTS→LASSanta Rosa, CA (STS) to Las Vegas, NV (LAS)315 flights analyzedLower disruption81.0%on time
Which airline was most reliable departing STS?
Among qualifying STS airline departure results, Envoy Air had the highest on-time rate: 82.0% of 479 flights. American Airlines was lowest at 60.0% across 140 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 4,146 | 78.8% | 12.8% | 1.8% |
| Envoy Air | 479 | 82.0% | 10.6% | 0.4% |
| Alaska Airlines | 409 | 73.8% | 13.9% | 2.9% |
| Southwest Airlines | 296 | 80.4% | 12.5% | 0.0% |
| American Airlines | 140 | 60.0% | 25.7% | 0.0% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.