ON TIMEBOARD
Alaska Airlines / SEA → OKC

AS 405 on time

Alaska Airlines 405: Seattle to Oklahoma City at 8:18 a.m.; Oklahoma City to Seattle at 2:55 p.m. (past 12 months). Figures below the title are for SEA → OKC, its busiest leg

On time
92%
352 flights · likely 89–94%
Cancelled
0.3%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+36 min
average delay
Similar flights
92%
AS, same route & hour

About 1 in 13 AS 405 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.3% were cancelled. The typical flight landed 12 minutes early.

AS 405: SEA → OKC

Scheduled to leave Seattle at 8:18 a.m. local time. Over the past year it arrived on time 92% of the time (352 flights), in line with other AS flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 94% on time (31 flights)94OctNov 2025: 97% on time (29 flights)97NovDec 2025: 77% on time (31 flights)77DecJan 2026: 83% on time (24 flights)83JanFeb 2026: 96% on time (25 flights)96FebMar 2026: 97% on time (30 flights)97MarApr 2026: 97% on time (30 flights)97AprMay 2026: 97% on time (31 flights)97MayJun 2026: 93% on time (29 flights)93JunJul 2026: 94% on time (31 flights)94JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday5394%
Tuesday4789%
Wednesday5088%
Thursday5192%
Friday5292%
Saturday4796%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 65%Air traffic & airport (NAS) 33%Late inbound plane 2%

All flights SEA → OKC · Connecting off AS 405? Check the risk

AS 405: OKC → SEA

Scheduled to leave Oklahoma City at 2:55 p.m. local time. Over the past year it arrived on time 86% of the time (351 flights), in line with other AS flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 84% on time (31 flights)84OctNov 2025: 86% on time (29 flights)86NovDec 2025: 71% on time (31 flights)71DecJan 2026: 88% on time (24 flights)88JanFeb 2026: 92% on time (25 flights)92FebMar 2026: 87% on time (30 flights)87MarApr 2026: 93% on time (30 flights)93AprMay 2026: 97% on time (31 flights)97MayJun 2026: 83% on time (29 flights)83JunJul 2026: 83% on time (30 flights)83JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday4783%
Wednesday5084%
Thursday5192%
Friday5281%
Saturday4689%
Sunday5283%

Why it was late

Late inbound plane 39%Airline (crew, maintenance, ops) 27%Air traffic & airport (NAS) 27%Severe weather 6%

All flights OKC → SEA · Connecting off AS 405? Check the risk

Questions

How often is AS 405 from SEA to OKC late?

Alaska Airlines 405 from Seattle, WA to Oklahoma City, OK arrived 15 or more minutes late, was diverted or was cancelled on 8% of 352 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.

How often is AS 405 from OKC to SEA late?

Alaska Airlines 405 from Oklahoma City, OK to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 351 scheduled flights between September 2025 and August 2026. 0.3% 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.