SkyWest Airlines SEA to SJC on-time performance
SkyWest Airlines nonstop flights from Seattle to San Jose · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
87%
arrived < 15 min late
Cancelled
0.2%
3 flights
Avg arrival delay
9 min
60 min when late
Rank on route
#3 of 5
route average 81% on time
Key facts
- SkyWest Airlines flights on SEA to SJC arrived on time 87% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 4% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (57%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)57%
- Extreme weather29%
- Air traffic control & airport congestion14%
- Security0%
- Late-arriving aircraft0%
Other airlines on SEA to SJC
- Alaska Airlines81% on time · 10 min avg delay
- Southwest Airlines72% on time · 13 min avg delay
- American Airlines100% on time · 5 min avg delay
- United Airlines100% on time · 0 min avg delay
Full SEA to SJC comparison →
SkyWest Airlines on-time record across all routes →
1,593 SkyWest Airlines flights tracked on this route; 3 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.