ON TIMEBOARD

AS 455 on time

Alaska Airlines 455: Spokane to Seattle at 1:38 p.m. (past 12 months)

On time
79%
182 flights · likely 73–84%
Cancelled
1.7%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+42 min
average delay
Similar flights
72%
AS, same route & hour

About 1 in 5 AS 455 flights from Spokane arrived 15+ minutes late, diverted or cancelled over the past year (21%); 1.7% were cancelled. The typical flight landed 3 minutes early.

AS 455: GEG → SEA

Scheduled to leave Spokane at 1:38 p.m. local time. Over the past year it arrived on time 79% of the time (182 flights), better than other AS flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2025: too few flights (5 flights)OctNov 2025: 87% on time (23 flights)87NovDec 2025: 71% on time (28 flights)71DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 65% on time (17 flights)65MarApr 2026: too few flights (4 flights)AprMay 2026: 79% on time (24 flights)79MayJun 2026: too few flights (9 flights)JunAug 2026: too few flights (13 flights)Aug

By day of week

DayFlightsOn time
Monday3080%
Tuesday2681%
Wednesday2685%
Thursday2875%
Friday2972%
Saturday2186%
Sunday2277%

Why it was late

Late inbound plane 66%Airline (crew, maintenance, ops) 18%Air traffic & airport (NAS) 16%

All flights GEG → SEA · Connecting off AS 455? Check the risk

Questions

How often is AS 455 from GEG to SEA late?

Alaska Airlines 455 from Spokane, WA to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 21% of 182 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.