Alaska Airlines PSC to SEA on-time performance
Alaska Airlines nonstop flights from Pasco/Kennewick/Richland to Seattle · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
1.6%
4 flights
Avg arrival delay
14 min
87 min when late
Rank on route
#2 of 2
route average 88% on time
Key facts
- Alaska Airlines flights on PSC to SEA arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 1.6% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 88% on time overall.
- The largest source of delay minutes was late-arriving aircraft (47%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft47%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion19%
- Extreme weather2%
- Security0%
Other airlines on PSC to SEA
- SkyWest Airlines89% on time · 10 min avg delay
Full PSC to SEA comparison →
Alaska Airlines on-time record across all routes →
245 Alaska Airlines flights tracked on this route; 4 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.