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AS440 — flight status & live tracker

Miami (MIA) → Portland (PDX)
Alaska Airlines · Live position from global ADS-B networks

Track AS440 in real time on the ScanFlyGo live map. If the aircraft is airborne and within coverage, you’ll see its exact position, altitude, speed and heading along the Miami–Portland route.

✈️ Track AS440 on the live map

Route

AS440 is operated by Alaska Airlines and flies from Miami International Airport (MIA/KMIA) to Portland International Airport (PDX/KPDX). Compare fares on this route →

The aircraft most recently seen operating AS440 was a Boeing 737-900 (ICAO type code B739). Equipment changes by season and demand, so the type shown on the live map is the one that counts today.

What a seat on Miami → Portland costs right now

Cheapest one-way fares found on this route in the last 48 hours, across 2 carrier(s). Prices move — open one to see live availability.

Southwest Airlines 2026-09-09 · 1 stop €124 Southwest Airlines 2027-02-20 · 1 stop €157 Frontier Airlines 2026-09-13 · 1 stop €205

Fares are one-way, found by other travellers in the last 48 hours, and change constantly. ScanFlyGo earns a commission if you book — it costs you nothing extra.

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Frequently asked questions

How do I track flight AS440 live?

Open the ScanFlyGo live map for AS440 to see its current position, altitude and speed in real time. If the flight is airborne and within ADS-B coverage it appears on the map on the Miami–Portland route.

What route does AS440 fly?

AS440 (Alaska Airlines) operates Miami (MIA/KMIA) to Portland (PDX/KPDX).

What aircraft operates AS440?

AS440 was most recently observed being flown by a Boeing 737-900 (ICAO type B739). Airlines swap equipment by season and demand, so open the live map to see the exact aircraft — including its registration — operating today.

Is flight AS440 on time?

ScanFlyGo shows live aircraft position rather than airline schedule data. For exact departure and arrival times and delays, check the airline’s website — but the live map tells you instantly whether AS440 is already in the air and where it is.

Is tracking AS440 free?

Yes — ScanFlyGo flight tracking is free with no app or account, on desktop and mobile.

Positions come from community ADS-B networks for information and entertainment only — not for navigation. Coverage may be incomplete or delayed.