ON TIMEBOARD

AS 576 on time

Alaska Airlines 576: San Diego to Portland at 11:04 a.m. (past 12 months)

On time
87%
271 flights · likely 82–90%
Cancelled
1.5%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+52 min
average delay
Similar flights
89%
AS, same route & hour

About 1 in 8 AS 576 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (13%); 1.5% were cancelled. The typical flight landed 11 minutes early.

AS 576: SAN → PDX

Scheduled to leave San Diego at 11:04 a.m. local time. Over the past year it arrived on time 87% of the time (271 flights), in line with other AS flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2025: too few flights (6 flights)OctNov 2025: 87% on time (30 flights)87NovDec 2025: 87% on time (31 flights)87DecJan 2026: 81% on time (31 flights)81JanFeb 2026: too few flights (11 flights)FebMar 2026: too few flights (12 flights)MarApr 2026: 89% on time (27 flights)89AprMay 2026: 90% on time (31 flights)90MayJun 2026: 73% on time (30 flights)73JunJul 2026: 87% on time (31 flights)87JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday4093%
Tuesday3979%
Wednesday4093%
Thursday3990%
Friday3985%
Saturday3990%
Sunday3577%

Why it was late

Late inbound plane 50%Airline (crew, maintenance, ops) 39%Air traffic & airport (NAS) 8%Security 3%

All flights SAN → PDX · Connecting off AS 576? Check the risk

Questions

How often is AS 576 from SAN to PDX late?

Alaska Airlines 576 from San Diego, CA to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 13% of 271 scheduled flights between September 2025 and August 2026. 1.5% 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.