ON TIMEBOARD

AS 259 on time

Alaska Airlines 259: Kona to Seattle at 9:19 p.m. (past 12 months)

On time
89%
245 flights · likely 85–93%
Cancelled
1.6%
of scheduled flights
Typical arrival
−18 min
median vs schedule
When late
+43 min
average delay
Similar flights
88%
AS, same route & hour

About 1 in 9 AS 259 flights from Kona arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.6% were cancelled. The typical flight landed 18 minutes early.

AS 259: KOA → SEA

Scheduled to leave Kona at 9:19 p.m. local time. Over the past year it arrived on time 89% of the time (245 flights), in line with other AS flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Usually Alaska Airlines's last flight of the day from Kona to Seattle (88% of days). Alaska Airlines's last KOA–SEA flight was cancelled 1.4% of the time, against 2.2% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 8:03 a.m. the next morning.

Month by month

40%70%100%Nov 2025: too few flights (9 flights)NovDec 2025: 87% on time (15 flights)87DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 87% on time (31 flights)87MarApr 2026: 100% on time (21 flights)100AprMay 2026: 89% on time (19 flights)89MayJun 2026: 90% on time (30 flights)90JunJul 2026: 93% on time (30 flights)93JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday3681%
Tuesday3497%
Wednesday3494%
Thursday34100%
Friday3689%
Saturday3577%
Sunday3689%

Why it was late

Airline (crew, maintenance, ops) 48%Air traffic & airport (NAS) 26%Late inbound plane 24%Severe weather 2%

All flights KOA → SEA · Connecting off AS 259? Check the risk

Questions

How often is AS 259 from KOA to SEA late?

Alaska Airlines 259 from Kona, HI to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 245 scheduled flights between September 2025 and August 2026. 1.6% 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.