ON TIMEBOARD

AS 236 on time

Alaska Airlines 236: Portland to San Francisco at 2:49 p.m. (past 12 months)

On time
71%
228 flights · likely 65–77%
Cancelled
0.4%
of scheduled flights
Typical arrival
+3 min
median vs schedule
When late
+61 min
average delay
Similar flights
73%
AS, same route & hour

About 1 in 3 AS 236 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (29%); 0.4% were cancelled. The typical flight landed 3 minutes late.

AS 236: PDX → SFO

Scheduled to leave Portland at 2:49 p.m. local time. Over the past year it arrived on time 71% of the time (228 flights), in line with other AS flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2025: too few flights (6 flights)OctNov 2025: 94% on time (18 flights)94NovDec 2025: 59% on time (17 flights)59DecJan 2026: 76% on time (25 flights)76JanFeb 2026: 83% on time (23 flights)83FebMar 2026: 76% on time (17 flights)76MarApr 2026: too few flights (11 flights)AprMay 2026: 68% on time (19 flights)68MayJun 2026: 70% on time (30 flights)70JunJul 2026: 61% on time (31 flights)61JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday3462%
Tuesday3781%
Wednesday3482%
Thursday3672%
Friday3569%
Saturday16—
Sunday3664%

Why it was late

Late inbound plane 46%Air traffic & airport (NAS) 30%Airline (crew, maintenance, ops) 22%Security 2%

All flights PDX → SFO · Connecting off AS 236? Check the risk

Questions

How often is AS 236 from PDX to SFO late?

Alaska Airlines 236 from Portland, OR to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 29% of 228 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.