ON TIMEBOARD

AS 325 on time

Alaska Airlines 325: Chicago to Portland at 2:12 p.m. (past 12 months)

On time
68%
351 flights · likely 63–73%
Cancelled
1.1%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+63 min
average delay
Similar flights
68%
AS, same route & hour

About 1 in 3 AS 325 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (32%); 1.1% were cancelled. The typical flight landed 1 minutes late.

AS 325: ORD → PDX

Scheduled to leave Chicago at 2:12 p.m. local time. Over the past year it arrived on time 68% of the time (351 flights), in line with other AS flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 77% on time (30 flights)77SepOct 2025: 48% on time (31 flights)48OctNov 2025: 45% on time (29 flights)45NovDec 2025: 58% on time (31 flights)58DecJan 2026: 83% on time (23 flights)83JanFeb 2026: 80% on time (25 flights)80FebMar 2026: 73% on time (30 flights)73MarApr 2026: 80% on time (30 flights)80AprMay 2026: 81% on time (31 flights)81MayJun 2026: 63% on time (30 flights)63JunJul 2026: 73% on time (30 flights)73JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday5368%
Tuesday5263%
Wednesday4663%
Thursday5169%
Friday5273%
Saturday4578%
Sunday5265%

Why it was late

Late inbound plane 63%Air traffic & airport (NAS) 22%Airline (crew, maintenance, ops) 12%Severe weather 2%Security 1%

All flights ORD → PDX · Connecting off AS 325? Check the risk

Questions

How often is AS 325 from ORD to PDX late?

Alaska Airlines 325 from Chicago, IL to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 32% of 351 scheduled flights between September 2025 and August 2026. 1.1% 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.