AS218 KOA → SEA

Alaska Airlines · Kona, HI to Seattle, WA · 114 flights observed, 2025-11-21 to 2026-04-21 · 2,688 mi

This flight runs much more reliably at some times of day than others — 94% on-time departing 9am–12pm vs. 55% departing 9pm–12am.

AS218 covers more than one route in the data window — the stats below are for KOA → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-19 min
90th percentile
+17 min
Cancellation rate
1%

How often is AS218 on time?

Across 114 flights on KOA → SEA from 2025-11-21 to 2026-04-21, AS218 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +17 min or later. 1% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time9988%
16-30 min76%
31-60 min22%
61-120 min22%
2+ hrs33%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111050%+31 min
2025-121100%+14 min
2026-012492%-18 min
2026-022781%-12 min
2026-033093%-19 min
2026-0421100%-16 min

Performance by day of week

DayFlightsOn-time
Mon1776%
Tue1688%
Wed1593%
Thu16100%
Fri1788%
Sat1587%
Sun1782%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…