ON TIMEBOARD

AS 252 on time

Alaska Airlines 252: Portland to Kona at 8:00 a.m. (past 12 months)

On time
86%
295 flights · likely 81–89%
Cancelled
0.0%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+42 min
average delay
Similar flights
83%
AS, same route & hour

About 1 in 7 AS 252 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.0% were cancelled. The typical flight landed 10 minutes early.

AS 252: PDX → KOA

Scheduled to leave Portland at 8:00 a.m. local time. Over the past year it arrived on time 86% of the time (295 flights), better than other AS flights on the route at that hour (83%). Last seen in the data Aug 18, 2026.

Month by month

40%70%100%Oct 2025: too few flights (6 flights)OctNov 2025: 73% on time (30 flights)73NovDec 2025: 73% on time (30 flights)73DecJan 2026: 87% on time (30 flights)87JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 74% on time (31 flights)74MarApr 2026: 97% on time (30 flights)97AprMay 2026: 97% on time (31 flights)97MayJun 2026: 93% on time (30 flights)93JunJul 2026: 100% on time (31 flights)100JulAug 2026: 100% on time (18 flights)100Aug

By day of week

DayFlightsOn time
Monday4386%
Tuesday4286%
Wednesday4180%
Thursday4290%
Friday4290%
Saturday4290%
Sunday4377%

Why it was late

Air traffic & airport (NAS) 50%Airline (crew, maintenance, ops) 42%Late inbound plane 6%Severe weather 2%

All flights PDX → KOA · Connecting off AS 252? Check the risk

Questions

How often is AS 252 from PDX to KOA late?

Alaska Airlines 252 from Portland, OR to Kona, HI arrived 15 or more minutes late, was diverted or was cancelled on 14% of 295 scheduled flights between September 2025 and August 2026. 0.0% 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.