AS504Alaska Airlines · SEA → STS
live · 28m ago
Route confirmed Alaska Airlines

AS504 SeattleSEA Santa RosaSTS

AS504 by Alaska Airlines flies from Seattle (SEA) to Santa Rosa (STS).

Right nowNext departure tomorrow Operates daily
09:00

scheduled from SEA

The route today

live boards
SEASeattleOn-time likelySEA delay board →
STSSanta RosaOn-time likelySTS delay board →
SEA→STSevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Seattle

Forecast

Fri 6 Nov, local date

High14°Clikely 13°C to 15°C
Low9°Clikely 8°C to 10°C
  • 97% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Seattle to Santa Rosa flights today

same route · Alaska Airlines
AS1321departs 10:06
AS1347departs 10:58
AS3358departs 20:59

If AS504 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Santa Rosa on the same day, with scheduled departure times in SEA 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 AS504 actually runs

Pro Flight Search has tracked every published board update for AS504 across the SEA and STS 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 STS.

The verdict above is that record speaking, so it reflects how AS504 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
10-30SEA 19:56STS
10-29SEA 19:56STS
10-28SEA 19:56STS
10-27SEA 19:56STS
10-26SEA 19:56STS

Board clocks recorded as SEA and STS published them.

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: AS504 Seattle to Santa Rosa on-time performance, measured from the SEA and STS airport boards.

Canonical URL
https://proflightsearch.com/flight/AS504
How we measure this →