AS674Alaska Airlines · STL → SEA
live · 58m ago
Route confirmed Alaska Airlines

AS674 St LouisSTL SeattleSEA

AS674 by Alaska Airlines flies from St Louis (STL) to Seattle (SEA).

Right nowNext departure tomorrow Operates daily
09:03

scheduled from STL

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
SEASeattleHigh riskSEA delay board →
STL→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
31%Chance of 15+ min delay
0.5%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at STL and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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

St Louis to Seattle with Alaska Airlines · Mon 2 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.3%6.0× usual
Chance a departure leaves 60+ min late
4.6%1.0× usual

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 2 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 St Louis to Seattle flights today

same route · Alaska Airlines
AS615departs 06:00
AS473departs 07:02
AS388departs 15:19
AS618departs 15:23
AS1651departs 16:42
AS314departs 16:42

If AS674 is cancelled, these are the other Alaska Airlines nonstop flights from St Louis to Seattle on the same day, with scheduled departure times in STL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AS674 actually runs

Pro Flight Search has tracked every published board update for AS674 across the STL 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 STL and SEA.

The verdict above is that record speaking, so it reflects how AS674 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AS674? 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: AS674 St Louis to Seattle on-time performance, measured from the STL and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS674
How we measure this →