ON TIMEBOARD

AS 1455 on time

Alaska Airlines 1455: Portland to Anchorage at 5:50 p.m. (past 12 months)

On time
87%
242 flights · likely 82–90%
Cancelled
0.0%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+72 min
average delay
Similar flights
85%
AS, same route & hour

About 1 in 8 AS 1455 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.0% were cancelled. The typical flight landed 11 minutes early.

AS 1455: PDX → ANC

Scheduled to leave Portland at 5:50 p.m. local time. Over the past year it arrived on time 87% of the time (242 flights), in line with other AS flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 77% on time (31 flights)77AugSep 2025: 93% on time (30 flights)93SepOct 2025: 80% on time (30 flights)80OctNov 2025: 86% on time (29 flights)86NovDec 2025: 71% on time (31 flights)71DecJan 2026: too few flights (6 flights)JanFeb 2026: too few flights (10 flights)FebMar 2026: 91% on time (23 flights)91MarApr 2026: 100% on time (30 flights)100AprMay 2026: 94% on time (31 flights)94MayJun 2026: too few flights (9 flights)JunAug 2026: too few flights (13 flights)Aug

By day of week

DayFlightsOn time
Monday3892%
Tuesday3291%
Wednesday3284%
Thursday3681%
Friday3686%
Saturday3294%
Sunday3681%

Why it was late

Late inbound plane 63%Airline (crew, maintenance, ops) 27%Air traffic & airport (NAS) 10%

All flights PDX → ANC · Connecting off AS 1455? Check the risk

Questions

How often is AS 1455 from PDX to ANC late?

Alaska Airlines 1455 from Portland, OR to Anchorage, AK arrived 15 or more minutes late, was diverted or was cancelled on 13% of 242 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.