ON TIMEBOARD

AS 588 on time

Alaska Airlines 588: Portland to Santa Ana at 10:38 a.m. (past 12 months)

On time
89%
308 flights · likely 85–92%
Cancelled
1.0%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+37 min
average delay
Similar flights
87%
AS, same route & hour

About 1 in 9 AS 588 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.0% were cancelled. The typical flight landed 6 minutes early.

AS 588: PDX → SNA

Scheduled to leave Portland at 10:38 a.m. local time. Over the past year it arrived on time 89% of the time (308 flights), in line with other AS flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2025: too few flights (6 flights)OctNov 2025: 96% on time (28 flights)96NovDec 2025: 71% on time (31 flights)71DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 97% on time (31 flights)97MarApr 2026: 100% on time (30 flights)100AprMay 2026: 100% on time (31 flights)100MayJun 2026: 97% on time (30 flights)97JunJul 2026: 81% on time (31 flights)81JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4593%
Tuesday4491%
Wednesday4486%
Thursday4486%
Friday4386%
Saturday4398%
Sunday4584%

Why it was late

Air traffic & airport (NAS) 39%Airline (crew, maintenance, ops) 33%Late inbound plane 27%

All flights PDX → SNA · Connecting off AS 588? Check the risk

Questions

How often is AS 588 from PDX to SNA late?

Alaska Airlines 588 from Portland, OR to Santa Ana, CA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 308 scheduled flights between September 2025 and August 2026. 1.0% 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.