SkyWest Airlines STS to SEA on-time performance
SkyWest Airlines nonstop flights from Santa Rosa to Seattle · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
70%
arrived < 15 min late
Cancelled
1.9%
2 flights
Avg arrival delay
15 min
43 min when late
Rank on route
#2 of 2
route average 77% on time
Key facts
- SkyWest Airlines flights on STS to SEA arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 1.9% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft36%
- Air traffic control & airport congestion19%
- Extreme weather2%
- Security0%
Other airlines on STS to SEA
- Alaska Airlines78% on time · 12 min avg delay
Full STS to SEA comparison →
SkyWest Airlines on-time record across all routes →
106 SkyWest Airlines flights tracked on this route; 2 cancelled, 0 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.