Southwest Airlines SJC to PDX on-time performance
Southwest Airlines nonstop flights from San Jose to Portland · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
10 min
48 min when late
Rank on route
#3 of 3
route average 86% on time
Key facts
- Southwest Airlines flights on SJC to PDX arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 4% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was late-arriving aircraft (70%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft70%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion4%
- Extreme weather0%
- Security0%
Other airlines on SJC to PDX
- SkyWest Airlines92% on time · 5 min avg delay
- Alaska Airlines95% on time · 4 min avg delay
Full SJC to PDX comparison →
Southwest Airlines on-time record across all routes →
947 Southwest Airlines flights tracked on this route; 0 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.