AS1723 SacramentoSMF · 19:52 SeattleSEA · 22:00
AS1723 by Alaska Airlines flies from Sacramento (SMF) to Seattle (SEA) for the Mon, Sep 7 departure.
estimated arrival at SEA · local time · past this estimate · waiting on the board
board checked 54m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 20:00 · typical taxi-out at SMF ≈ 5.1 min.
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SMF and SEA 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Sacramento to Seattle flights today
same route · Alaska AirlinesIf AS1723 is cancelled, these are the other Alaska Airlines nonstop flights from Sacramento to Seattle on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS1723 actually runs
Pro Flight Search has tracked every published board update for AS1723 across the SMF and SEA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: departed +8 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AS1723 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N596AS, N559AS.
Board clocks recorded as SMF and SEA published them.
Planning around AS1723? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — AS1723 Sacramento to Seattle on-time performance, measured from the SMF and SEA airport boards.
https://proflightsearch.com/flight/AS1723