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AS518 — flight status & live tracker

Seattle (SEA) → Salt Lake City (SLC)
Alaska Airlines · Live position from global ADS-B networks

Track AS518 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 Seattle–Salt Lake City route.

✈️ Track AS518 on the live map

Route

AS518 is operated by Alaska Airlines and flies from Seattle Tacoma International Airport (SEA/KSEA) to Salt Lake City International Airport (SLC/KSLC). Compare fares on this route →

What a seat on Seattle → Salt Lake City costs right now

Cheapest one-way fares found on this route in the last 48 hours, across 1 carrier(s). Prices move — open one to see live availability.

Frontier Airlines 2026-10-28 · 1 stop €119 Frontier Airlines 2026-10-26 · 1 stop €159 Frontier Airlines 2026-10-23 · 1 stop €165

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 AS518 live?

Open the ScanFlyGo live map for AS518 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 Seattle–Salt Lake City route.

What route does AS518 fly?

AS518 (Alaska Airlines) operates Seattle (SEA/KSEA) to Salt Lake City (SLC/KSLC).

Is flight AS518 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 AS518 is already in the air and where it is.

Is tracking AS518 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.