Alaska Airlines PDX to SFO on-time performance
Alaska Airlines nonstop flights from Portland to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
70%
arrived < 15 min late
Cancelled
0.4%
6 flights
Avg arrival delay
18 min
54 min when late
Rank on route
#3 of 4
route average 69% on time
Key facts
- Alaska Airlines flights on PDX to SFO arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 7% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (64%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion64%
- Airline (crew, maintenance, cleaning, fueling)19%
- Late-arriving aircraft16%
- Security0%
- Extreme weather0%
Other airlines on PDX to SFO
- United Airlines66% on time · 21 min avg delay
- SkyWest Airlines83% on time · 13 min avg delay
- Frontier Airlines100% on time · 0 min avg delay
Full PDX to SFO comparison →
Alaska Airlines on-time record across all routes →
1,379 Alaska Airlines flights tracked on this route; 6 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.