AS420 SeattleSEA · 09:47 OrlandoMCO · 18:30
AS420 by Alaska Airlines flies from Seattle (SEA) to Orlando (MCO) for the Tue, Aug 18 departure.
departs SEA · on schedule
board checked 19m ago · checking again in 45s
Where the minutes go
last 6 operations · gate push → arrivalThe 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 operationmedian arrival −1 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by MCO (Orlando), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Orlando flights today
same route · Alaska AirlinesIf AS420 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Orlando on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS420 actually runs
Pro Flight Search has tracked every published board update for AS420 across the SEA and MCO boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 6 confirmed landings · 5/6 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AS420 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N966AK.
Board clocks recorded as SEA and MCO published them.
Planning around AS420? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — AS420 Seattle to Orlando on-time performance, measured from the SEA and MCO airport boards.
https://proflightsearch.com/flight/AS420
.