AS678Alaska Airlines · SEA → LAS
live · 11m ago
Route confirmed Alaska Airlines

AS678 SeattleSEA · 17:20 Las VegasLAS · 19:53

AS678 by Alaska Airlines flies from Seattle (SEA) to Las Vegas (LAS) for the Mon, Oct 26 departure.

Right nowOn time · gate N13
17:20

departs SEA · on schedule

Typical arrival+6 minmedian over 1 operations

The route today

live boards
SEASeattleOn-time likelySEA delay board →
LASLas VegasOn-time likelyLAS delay board →
SEA→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
1.2%Chance of cancellation
+8 minAvg hub delay right now

Conditions at SEA and LAS 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 Las Vegas flights today

same route · Alaska Airlines
AS1363departs 08:08
AS612departs 08:23
AS212departs 10:42
AS738departs 12:11
AS1481departs 13:36
AS728departs 13:36

If AS678 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Las Vegas 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 AS678 actually runs

Pro Flight Search has tracked every published board update for AS678 across the SEA and LAS 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 LAS.

The verdict above is that record speaking, so it reflects how AS678 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-25SEA 17:20LAS 19:53 19:59 (+6)

Board clocks recorded as SEA and LAS published them.

Planning around AS678? 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 — AS678 Seattle to Las Vegas on-time performance, measured from the SEA and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/AS678
How we measure this →