Southwest Airlines SAN to SMF on-time performance
Southwest Airlines nonstop flights from San Diego to Sacramento · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.6%
22 flights
Avg arrival delay
13 min
46 min when late
Rank on route
#3 of 3
route average 76% on time
Key facts
- Southwest Airlines flights on SAN to SMF arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (73%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft73%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion5%
- Security1%
- Extreme weather0%
Other airlines on SAN to SMF
- SkyWest Airlines80% on time · 11 min avg delay
- Alaska Airlines76% on time · 11 min avg delay
Full SAN to SMF comparison →
Southwest Airlines on-time record across all routes →
3,800 Southwest Airlines flights tracked on this route; 22 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.