AS1574Alaska Airlines · IAD → SEA
live · 51m ago
Route confirmed Alaska Airlines

AS1574 WashingtonIAD SeattleSEA

AS1574 by Alaska Airlines flies from Washington (IAD) to Seattle (SEA).

Right nowNext departure today Operates daily
07:00

scheduled from IAD

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
SEASeattleModerate riskSEA delay board →
IAD→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
35%Chance of 15+ min delay
3.0%Chance of cancellation
+5 minAvg hub delay right now

Driven mainly by IAD (Washington), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow on this route

Forecast

Washington to Seattle with Alaska Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.2%1.9× usual
Chance a departure leaves 60+ min late
7.0%1.1× usual

Forecast weather: 33% chance of fog at Washington

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Washington to Seattle flights today

same route · Alaska Airlines
AS409departs 07:02
AS375departs 09:38
AS737departs 17:33

If AS1574 is cancelled, these are the other Alaska Airlines nonstop flights from Washington to Seattle on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AS1574 actually runs

Pro Flight Search has tracked every published board update for AS1574 across the IAD and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at IAD and SEA.

The verdict above is that record speaking, so it reflects how AS1574 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AS1574? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — AS1574 Washington to Seattle on-time performance, measured from the IAD and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS1574
How we measure this →