ON TIMEBOARD

AS 54 on time

Alaska Airlines 54: Anchorage to Seattle at 1:04 a.m. (past 12 months)

On time
86%
286 flights · likely 82–90%
Cancelled
1.8%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+70 min
average delay
Similar flights
89%
AS, same route & hour

About 1 in 7 AS 54 flights from Anchorage arrived 15+ minutes late, diverted or cancelled over the past year (14%); 1.8% were cancelled. The typical flight landed 15 minutes early.

AS 54: ANC → SEA

Scheduled to leave Anchorage at 1:04 a.m. local time. Over the past year it arrived on time 86% of the time (286 flights), worse than other AS flights on the route at that hour (89%). Last seen in the data Aug 18, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 81% on time (31 flights)81OctNov 2025: 86% on time (29 flights)86NovDec 2025: 80% on time (30 flights)80DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 88% on time (17 flights)88MarApr 2026: too few flights (8 flights)AprMay 2026: too few flights (12 flights)MayJun 2026: 86% on time (21 flights)86JunJul 2026: 84% on time (31 flights)84JulAug 2026: 83% on time (18 flights)83Aug

By day of week

DayFlightsOn time
Monday4286%
Tuesday4283%
Wednesday4093%
Thursday4090%
Friday4085%
Saturday4183%
Sunday4183%

Why it was late

Airline (crew, maintenance, ops) 55%Severe weather 28%Air traffic & airport (NAS) 11%Late inbound plane 6%

All flights ANC → SEA · Connecting off AS 54? Check the risk

Questions

How often is AS 54 from ANC to SEA late?

Alaska Airlines 54 from Anchorage, AK to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 286 scheduled flights between September 2025 and August 2026. 1.8% 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.