Alaska Airlines LAS to SFO on-time performance
Alaska Airlines nonstop flights from Las Vegas to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
65%
arrived < 15 min late
Cancelled
0.8%
9 flights
Avg arrival delay
19 min
51 min when late
Rank on route
#3 of 5
route average 61% on time
Key facts
- Alaska Airlines flights on LAS to SFO arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 10% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 61% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (57%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion57%
- Late-arriving aircraft33%
- Airline (crew, maintenance, cleaning, fueling)9%
- Extreme weather1%
- Security0%
Other airlines on LAS to SFO
- United Airlines65% on time · 23 min avg delay
- Southwest Airlines46% on time · 30 min avg delay
- Frontier Airlines62% on time · 27 min avg delay
- SkyWest Airlines100% on time · 6 min avg delay
Full LAS to SFO comparison →
Alaska Airlines on-time record across all routes →
1,114 Alaska 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.