Alaska Airlines SFO to SAN on-time performance
Alaska Airlines nonstop flights from San Francisco to San Diego · Aug 2025 – Jul 2026
On-time arrivals
87%
arrived < 15 min late
Cancelled
1.0%
3 flights
Avg arrival delay
8 min
49 min when late
Rank on route
#1 of 5
route average 65% on time
Key facts
- Alaska Airlines flights on SFO to SAN arrived on time 87% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 5 airlines on this route, which averaged 65% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (50%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)44%
- Late-arriving aircraft5%
- Security1%
- Extreme weather1%
Other airlines on SFO to SAN
- United Airlines75% on time · 15 min avg delay
- Southwest Airlines51% on time · 32 min avg delay
- SkyWest Airlines64% on time · 22 min avg delay
- Frontier Airlines52% on time · 41 min avg delay
Full SFO to SAN comparison →
Alaska Airlines on-time record across all routes →
304 Alaska 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.