Alaska Airlines BOI to SAN on-time performance
Alaska Airlines nonstop flights from Boise to San Diego · Aug 2025 – Jul 2026
On-time arrivals
89%
arrived < 15 min late
Cancelled
1.1%
3 flights
Avg arrival delay
5 min
34 min when late
Rank on route
#1 of 3
route average 81% on time
Key facts
- Alaska Airlines flights on BOI to SAN arrived on time 89% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 2% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (65%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion65%
- Airline (crew, maintenance, cleaning, fueling)33%
- Extreme weather1%
- Late-arriving aircraft0%
- Security0%
Other airlines on BOI to SAN
- Southwest Airlines75% on time · 13 min avg delay
- SkyWest Airlines81% on time · 12 min avg delay
Full BOI to SAN comparison →
Alaska Airlines on-time record across all routes →
263 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.