SkyWest Airlines STS to PDX on-time performance
SkyWest Airlines nonstop flights from Santa Rosa to Portland · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
91%
arrived < 15 min late
Cancelled
0.5%
3 flights
Avg arrival delay
7 min
66 min when late
Rank on route
#2 of 2
route average 91% on time
Key facts
- SkyWest Airlines flights on STS to PDX arrived on time 91% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 91% on time overall.
- The largest source of delay minutes was late-arriving aircraft (61%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft61%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion12%
- Extreme weather5%
- Security0%
Other airlines on STS to PDX
- Alaska Airlines95% on time · 14 min avg delay
Full STS to PDX comparison →
SkyWest Airlines on-time record across all routes →
583 SkyWest Airlines flights tracked on this route; 3 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.