Alaska Airlines KOA to SEA on-time performance
Alaska Airlines nonstop flights from Kona to Seattle · Aug 2025 – Jul 2026
On-time arrivals
86%
arrived < 15 min late
Cancelled
1.9%
20 flights
Avg arrival delay
9 min
58 min when late
Rank on route
#2 of 2
route average 87% on time
Key facts
- Alaska Airlines flights on KOA to SEA arrived on time 86% of the time in Aug 2025 – Jul 2026.
- 1.9% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 87% on time overall.
- The largest source of delay minutes was late-arriving aircraft (44%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft44%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather1%
- Security0%
Other airlines on KOA to SEA
- Delta Air Lines91% on time · 5 min avg delay
Full KOA to SEA comparison →
Alaska Airlines on-time record across all routes →
1,057 Alaska Airlines flights tracked on this route; 20 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.