SkyWest Airlines SAN to STS on-time performance
SkyWest Airlines nonstop flights from San Diego to Santa Rosa · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
80%
arrived < 15 min late
Cancelled
3.8%
32 flights
Avg arrival delay
10 min
49 min when late
Rank on route
#1 of 2
route average 78% on time
Key facts
- SkyWest Airlines flights on SAN to STS arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 3.8% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (43%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft43%
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather4%
- Security0%
Other airlines on SAN to STS
- Southwest Airlines70% on time · 15 min avg delay
Full SAN to STS comparison →
SkyWest Airlines on-time record across all routes →
832 SkyWest Airlines flights tracked on this route; 32 cancelled, 7 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.