AS1898Alaska Airlines · PHL → SEA
live · 27m ago
Route confirmed Alaska Airlines

AS1898 PhiladelphiaPHL SeattleSEA

AS1898 by Alaska Airlines flies from Philadelphia (PHL) to Seattle (SEA).

Right nowNext departure today Operates daily
11:00

scheduled from PHL

The route today

live boards
PHLPhiladelphiaOn-time likelyPHL delay board →
SEASeattleHigh riskSEA delay board →
PHL→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.8%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at PHL 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 at Philadelphia

Forecast

Fri 6 Nov, local date

High21°Clikely 19°C to 22°C
Low16°Clikely 13°C to 19°C

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.

Tomorrow at Seattle

Forecast

Thu 5 Nov, local date

High14°Clikely 12°C to 15°C
Low9°Clikely 7°C to 10°C
  • 72% 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 Philadelphia to Seattle flights today

same route · Alaska Airlines
AS370departs 07:02
AS443departs 17:49

If AS1898 is cancelled, these are the other Alaska Airlines nonstop flights from Philadelphia to Seattle on the same day, with scheduled departure times in PHL 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 AS1898 actually runs

Pro Flight Search has tracked every published board update for AS1898 across the PHL and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at PHL and SEA.

The verdict above is that record speaking, so it reflects how AS1898 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AS1898? 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: AS1898 Philadelphia to Seattle on-time performance, measured from the PHL and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS1898
How we measure this →