ON TIMEBOARD

AS 1328 on time

Alaska Airlines 1328: Seattle to Oakland at 11:41 a.m. (past 12 months)

On time
74%
238 flights · likely 68–79%
Cancelled
0.4%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+46 min
average delay
Similar flights
70%
AS, same route & hour

About 1 in 4 AS 1328 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.4% were cancelled. The typical flight landed 5 minutes early.

AS 1328: SEA → OAK

Scheduled to leave Seattle at 11:41 a.m. local time. Over the past year it arrived on time 74% of the time (238 flights), better than other AS flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Jul 2025: 52% on time (31 flights)52JulAug 2025: 26% on time (19 flights)26AugOct 2025: 67% on time (18 flights)67OctNov 2025: 79% on time (29 flights)79NovDec 2025: 65% on time (31 flights)65DecJan 2026: 87% on time (31 flights)87JanFeb 2026: too few flights (11 flights)FebMar 2026: too few flights (14 flights)MarApr 2026: 81% on time (21 flights)81AprJun 2026: 76% on time (21 flights)76JunJul 2026: 55% on time (31 flights)55JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday3678%
Tuesday3291%
Wednesday3373%
Thursday3468%
Friday3571%
Saturday3269%
Sunday3672%

Why it was late

Airline (crew, maintenance, ops) 58%Late inbound plane 32%Air traffic & airport (NAS) 9%Severe weather 1%

All flights SEA → OAK · Connecting off AS 1328? Check the risk

Questions

How often is AS 1328 from SEA to OAK late?

Alaska Airlines 1328 from Seattle, WA to Oakland, CA arrived 15 or more minutes late, was diverted or was cancelled on 26% of 238 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.