Alaska Airlines SEA to PSC on-time performance
Alaska Airlines nonstop flights from Seattle to Pasco/Kennewick/Richland · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
2.9%
7 flights
Avg arrival delay
10 min
40 min when late
Rank on route
#2 of 2
route average 84% on time
Key facts
- Alaska Airlines flights on SEA to PSC arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 2.9% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft42%
- Air traffic control & airport congestion14%
- Extreme weather0%
- Security0%
Other airlines on SEA to PSC
- SkyWest Airlines84% on time · 11 min avg delay
Full SEA to PSC comparison →
Alaska Airlines on-time record across all routes →
245 Alaska Airlines flights tracked on this route; 7 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.