ON TIMEBOARD

AS 1397 on time

Alaska Airlines 1397: Los Angeles to Portland at 6:27 p.m. (past 12 months)

On time
89%
331 flights · likely 85–92%
Cancelled
0.0%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+53 min
average delay
Similar flights
88%
AS, same route & hour

About 1 in 9 AS 1397 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.0% were cancelled. The typical flight landed 10 minutes early.

AS 1397: LAX → PDX

Scheduled to leave Los Angeles at 6:27 p.m. local time. Over the past year it arrived on time 89% of the time (331 flights), in line with other AS flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 80% on time (30 flights)80OctNov 2025: 93% on time (29 flights)93NovDec 2025: 81% on time (31 flights)81DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 90% on time (29 flights)90MarApr 2026: 100% on time (29 flights)100AprMay 2026: too few flights (12 flights)MayJun 2026: 81% on time (21 flights)81JunJul 2026: 93% on time (30 flights)93JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4986%
Tuesday4894%
Wednesday4896%
Thursday4791%
Friday4772%
Saturday4693%
Sunday4687%

Why it was late

Late inbound plane 54%Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 10%

All flights LAX → PDX · Connecting off AS 1397? Check the risk

Questions

How often is AS 1397 from LAX to PDX late?

Alaska Airlines 1397 from Los Angeles, CA to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 11% of 331 scheduled flights between September 2025 and August 2026. 0.0% 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.