ON TIMEBOARD

AS 511 on time

Alaska Airlines 511: Phoenix to Portland at 7:00 a.m. (past 12 months)

On time
87%
299 flights · likely 83–91%
Cancelled
0.0%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+40 min
average delay
Similar flights
87%
AS, same route & hour

About 1 in 8 AS 511 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.0% were cancelled. The typical flight landed 7 minutes early.

AS 511: PHX → PDX

Scheduled to leave Phoenix at 7:00 a.m. local time. Over the past year it arrived on time 87% of the time (299 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%Aug 2025: 94% on time (31 flights)94AugSep 2025: 93% on time (30 flights)93SepOct 2025: 81% on time (31 flights)81OctNov 2025: 80% on time (30 flights)80NovDec 2025: 83% on time (30 flights)83DecJan 2026: 90% on time (31 flights)90JanFeb 2026: 86% on time (28 flights)86FebMar 2026: too few flights (8 flights)MarMay 2026: 100% on time (19 flights)100MayJun 2026: 93% on time (30 flights)93JunJul 2026: 84% on time (31 flights)84JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday4386%
Tuesday4288%
Wednesday4482%
Thursday4398%
Friday4377%
Saturday4388%
Sunday4193%

Why it was late

Airline (crew, maintenance, ops) 46%Air traffic & airport (NAS) 25%Late inbound plane 24%Severe weather 4%Security 1%

All flights PHX → PDX · Connecting off AS 511? Check the risk

Questions

How often is AS 511 from PHX to PDX late?

Alaska Airlines 511 from Phoenix, AZ to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 13% of 299 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.