AS370Alaska Airlines · PHL → SEA
updated 47m ago
Route confirmed Alaska Airlines

AS370 PhiladelphiaPHL · 07:02 SeattleSEA · 10:08

AS370 by Alaska Airlines flies from Philadelphia (PHL) to Seattle (SEA) for the Sun, Nov 1 departure.

Right nowDeparted · gate D1 · as of 18:32
07:19

departs PHL · 17 min late

Typical gate push−5 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-01
+17 gate
10-31
+3 gate
10-30
−10 gate
10-29
−6 gate
10-28
−4 gate
10-27
−9 gate
10-26
−5 gate

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

The last 30 days

arrival outcome per operation

0 cancelled · 8 operations tracked

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
31%Chance of 15+ min delay
0.6%Chance of cancellation
+8 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 on this route

Forecast

Philadelphia to Seattle with Alaska Airlines · Mon 2 Nov, local date

Outlook: about usual
Chance a departure leaves 60+ min late
4.4%0.7× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · 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
AS1898departs 11:00
AS443departs 22:41

If AS370 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 AS370 actually runs

Pro Flight Search has tracked every published board update for AS370 across the PHL and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~5 min early. Based on 8 confirmed departures · 7/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS370 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
11-01PHL 07:02 07:19 (+17)SEA 10:08
10-31PHL 07:02 07:05 (+3)SEA 09:55
10-30PHL 07:02 06:52 (−10)SEA 09:55
10-29PHL 07:02 06:56 (−6)SEA 09:55
10-28PHL 11:02 10:58 (−4)SEA 09:55
10-27PHL 11:02 10:53 (−9)SEA 09:55
10-26PHL 11:02 10:57 (−5)SEA 09:55
10-25PHL 11:02 10:55 (−7)SEA

Aircraft

Recent tails: N972AK, N247AK, N588AS, N738AL.

Board clocks recorded as PHL and SEA published them.

Planning around AS370? 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: AS370 Philadelphia to Seattle on-time performance, measured from the PHL and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS370
How we measure this →