SkyWest Airlines PDX to SFO on-time performance
SkyWest Airlines nonstop flights from Portland to San Francisco · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.5%
2 flights
Avg arrival delay
13 min
72 min when late
Rank on route
#2 of 4
route average 69% on time
Key facts
- SkyWest Airlines flights on PDX to SFO arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (44%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion44%
- Airline (crew, maintenance, cleaning, fueling)29%
- Late-arriving aircraft25%
- Extreme weather1%
- Security0%
Other airlines on PDX to SFO
- United Airlines66% on time · 21 min avg delay
- Alaska Airlines70% on time · 18 min avg delay
- Frontier Airlines100% on time · 0 min avg delay
Full PDX to SFO comparison →
SkyWest Airlines on-time record across all routes →
393 SkyWest Airlines flights tracked on this route; 2 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.