AS640Alaska Airlines · TPA → SEA
updated 1h ago
Route confirmed Alaska Airlines

AS640 TampaTPA SeattleSEA

AS640 by Alaska Airlines flies from Tampa (TPA) to Seattle (SEA).

Right nowNext departure tomorrow Operates daily
12:12

scheduled from TPA

The route today

live boards
TPATampaOn-time likelyTPA delay board →
SEASeattleHigh riskSEA delay board →
TPA→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
33%Chance of 15+ min delay
1.0%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at TPA 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 TPA

Forecast

Sun 8 Nov, local date

High27°Clikely 26°C to 28°C
Low17°Clikely 16°C to 18°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 SEA

Forecast

Sun 8 Nov, local date

High13°Clikely 12°C to 14°C
Low8°Clikely 6°C to 10°C
  • 86% 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 Tampa to Seattle flights today

same route · Alaska Airlines
AS326departs 17:53

If AS640 is cancelled, this is the other Alaska Airlines nonstop flight from Tampa to Seattle on the same day, with scheduled departure times in TPA 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 AS640 actually runs

Pro Flight Search has tracked every published board update for AS640 across the TPA 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 TPA and SEA.

The verdict above is that record speaking, so it reflects how AS640 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AS640? 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: AS640 Tampa to Seattle on-time performance, measured from the TPA and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS640
How we measure this →