ON TIMEBOARD

AS 205 on time

Alaska Airlines 205: Kona to Seattle at 1:18 p.m. (past 12 months)

On time
81%
253 flights · likely 75–85%
Cancelled
0.4%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+42 min
average delay
Similar flights
80%
AS, same route & hour

About 1 in 5 AS 205 flights from Kona arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.4% were cancelled. The typical flight landed 5 minutes early.

AS 205: KOA → SEA

Scheduled to leave Kona at 1:18 p.m. local time. Over the past year it arrived on time 81% of the time (253 flights), in line with other AS flights on the route at that hour (80%). Last seen in the data Aug 18, 2026.

Month by month

40%70%100%Nov 2025: too few flights (9 flights)NovDec 2025: too few flights (14 flights)DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 81% on time (31 flights)81MarApr 2026: 83% on time (30 flights)83AprMay 2026: 68% on time (31 flights)68MayJun 2026: 90% on time (30 flights)90JunJul 2026: 81% on time (31 flights)81JulAug 2026: 72% on time (18 flights)72Aug

By day of week

DayFlightsOn time
Monday3778%
Tuesday3672%
Wednesday3586%
Thursday3485%
Friday3781%
Saturday3784%
Sunday3778%

Why it was late

Late inbound plane 49%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 22%Severe weather 1%

All flights KOA → SEA · Connecting off AS 205? Check the risk

Questions

How often is AS 205 from KOA to SEA late?

Alaska Airlines 205 from Kona, HI to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 253 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.