AS77Alaska Airlines · SEA → PIT
live · 19m ago
Route confirmed Alaska Airlines

AS77 SeattleSEA PittsburghPIT

AS77 by Alaska Airlines flies from Seattle (SEA) to Pittsburgh (PIT).

Right nowNext departure today Operates daily
21:44

scheduled from SEA

The route today

live boards
SEASeattleOn-time likelySEA delay board →
PITPittsburghOn-time likelyPIT delay board →
SEA→PITevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
1.3%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at SEA and PIT 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 Seattle

Forecast

Wed 4 Nov, local date

High14°Clikely 12°C to 15°C
Low5°Clikely 4°C to 7°C
  • 27% chance of fog

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 Pittsburgh

Forecast

Wed 4 Nov, local date

High23°Clikely 21°C to 24°C
Low13°Clikely 11°C to 15°C
  • 87% 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 Pittsburgh flights today

same route · Alaska Airlines
AS1713departs 09:34
AS412departs 12:49
AS395departs 13:03
AS465departs 13:03

If AS77 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Pittsburgh 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 AS77 actually runs

Pro Flight Search has tracked every published board update for AS77 across the SEA and PIT boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SEA and PIT.

The verdict above is that record speaking, so it reflects how AS77 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: AS77 Seattle to Pittsburgh on-time performance, measured from the SEA and PIT airport boards.

Canonical URL
https://proflightsearch.com/flight/AS77
How we measure this →