Southwest Airlines OAK to SAN on-time performance
Southwest Airlines nonstop flights from Oakland to San Diego · Aug 2025 – Jul 2026
On-time arrivals
65%
arrived < 15 min late
Cancelled
0.9%
25 flights
Avg arrival delay
19 min
49 min when late
Rank on route
#3 of 3
route average 65% on time
Key facts
- Southwest Airlines flights on OAK to SAN arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 9% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 65% 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 congestion30%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather1%
- Security0%
Other airlines on OAK to SAN
- SkyWest Airlines68% on time · 18 min avg delay
- Spirit Airlines79% on time · 16 min avg delay
Full OAK to SAN comparison →
Southwest Airlines on-time record across all routes →
2,906 Southwest Airlines flights tracked on this route; 25 cancelled, 4 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.