ON TIMEBOARD

AS 606 on time

Alaska Airlines 606: Seattle to Phoenix at 8:15 a.m. (past 12 months)

On time
85%
296 flights · likely 81–89%
Cancelled
1.7%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+48 min
average delay
Similar flights
83%
AS, same route & hour

About 1 in 7 AS 606 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (15%); 1.7% were cancelled. The typical flight landed 12 minutes early.

AS 606: SEA → PHX

Scheduled to leave Seattle at 8:15 a.m. local time. Over the past year it arrived on time 85% of the time (296 flights), in line with other AS flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (29 flights)93SepOct 2025: 74% on time (31 flights)74OctNov 2025: 73% on time (30 flights)73NovDec 2025: 81% on time (31 flights)81DecJan 2026: 79% on time (24 flights)79JanFeb 2026: 96% on time (25 flights)96FebMar 2026: 83% on time (29 flights)83MarApr 2026: 96% on time (27 flights)96AprMay 2026: 100% on time (28 flights)100MayJun 2026: too few flights (8 flights)JunJul 2026: too few flights (11 flights)JulAug 2026: 87% on time (23 flights)87Aug

By day of week

DayFlightsOn time
Monday4982%
Tuesday4293%
Wednesday4288%
Thursday4781%
Friday4683%
Saturday3391%
Sunday3781%

Why it was late

Airline (crew, maintenance, ops) 56%Air traffic & airport (NAS) 33%Late inbound plane 8%Severe weather 3%

All flights SEA → PHX · Connecting off AS 606? Check the risk

Questions

How often is AS 606 from SEA to PHX late?

Alaska Airlines 606 from Seattle, WA to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 15% of 296 scheduled flights between September 2025 and August 2026. 1.7% 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.