AS578Alaska Airlines · SEA → ORD
live · 52m ago
Route confirmed Alaska Airlines

AS578 SeattleSEA ChicagoORD

AS578 by Alaska Airlines flies from Seattle (SEA) to Chicago (ORD).

Right nowNext departure today Operates daily
08:08

scheduled from SEA

The route today

live boards
SEASeattleOn-time likelySEA delay board →
ORDChicagoOn-time likelyORD delay board →
SEA→ORDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
0.9%Chance of cancellation
+14 minAvg hub delay right now

Conditions at SEA and ORD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 →

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 Seattle to Chicago flights today

same route · Alaska Airlines
AS328departs 00:16
AS1571departs 00:17
AS410departs 06:00
AS265departs 08:33
AS429departs 11:39
AS1661departs 13:10

If AS578 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Chicago on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AS578 actually runs

Pro Flight Search has tracked every published board update for AS578 across the SEA and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SEA and ORD.

The verdict above is that record speaking, so it reflects how AS578 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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 — AS578 Seattle to Chicago on-time performance, measured from the SEA and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/AS578
How we measure this →