Southwest Airlines PDX to OAK on-time performance
Southwest Airlines nonstop flights from Portland to Oakland · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.8%
9 flights
Avg arrival delay
13 min
50 min when late
Rank on route
#3 of 3
route average 78% on time
Key facts
- Southwest Airlines flights on PDX to OAK arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (66%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft66%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion5%
- Security0%
- Extreme weather0%
Other airlines on PDX to OAK
- SkyWest Airlines91% on time · 5 min avg delay
- Alaska Airlines100% on time · 3 min avg delay
Full PDX to OAK comparison →
Southwest Airlines on-time record across all routes →
1,158 Southwest Airlines flights tracked on this route; 9 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.