AS443Alaska Airlines · PHL → SEA
live · 9m ago
Route confirmed Alaska Airlines

AS443 PhiladelphiaPHL · 17:49 SeattleSEA · 20:59

AS443 by Alaska Airlines flies from Philadelphia (PHL) to Seattle (SEA) for the Fri, Nov 13 departure.

Right nowExpected in Seattle · On time
20:59

arrival expected at SEA · on schedule

Typical gate push+10 minmedian posted departure

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-13
+19 gate
11-12
+19 gate
11-11
+0 gate
11-10
−5 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
PHLPhiladelphiaHigh riskPHL delay board →
SEASeattleOn-time likelySEA delay board →
PHL→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
39%Chance of 15+ min delay
0.7%Chance of cancellation
+14 minTypical airport delay in this weather

Driven mainly by PHL (Philadelphia), currently flying MVFR (marginal visual). 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

Sat 14 Nov, local date

High9°Clikely 7°C to 10°C
Low3°Clikely 2°C to 5°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

Sat 14 Nov, local date

High14°Clikely 13°C to 16°C
Low10°Clikely 8°C to 11°C
  • 92% 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
AS1898departs 11:00

If AS443 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 AS443 actually runs

Pro Flight Search has tracked every published board update for AS443 across the PHL and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~10 min late. Based on 4 confirmed departures · 2/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS443 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-13PHL 17:49 18:08 (+19)SEA 20:59
11-12PHL 17:49 18:08 (+19)SEA 20:59
11-11PHL 17:49 (+0)SEA 20:59
11-10PHL 17:49 17:44 (−5)SEA 20:59

Aircraft

Recent tails: N253AK, N248AK, N947AK.

Board clocks recorded as PHL and SEA published them.

Planning around AS443? 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: AS443 Philadelphia to Seattle on-time performance, measured from the PHL and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS443
How we measure this →