ICAO: A78FFA
Owner: ALASKA AIRLINES
Flt: ASA390 N587AS # SAN-BOS
Time: 2025-12-18 18:12:44 EST
Min Alt: 6100 ft
Min Dist: 2.5 nm (115° ESE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

Planefence ICAO: A78FFA
Flt: ASA537 ALASKAAIRLINES BOS - SEA
First seen: 2025-11-06 09:50:56 EST
Min Alt: 2650 ft MSL
Min Dist: 0.32 mi
adsb planefence by kx1t - adsbexchange - planefence

Planefence ICAO: A78FFA
Flt: ASA389 ALASKAAIRLINES SAN - SJC
First seen: 2025-05-19 09:17:28 EDT
Min Alt: 2500 ft MSL
Min Dist: 0.29 mi
adsb planefence by kx1t - adsbexchange - planefence

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N587AS - Boeing 737NG 890/W - Alaska Airlines ASA15/AS15, Ronald Reagan Washington Ntl (DCA) to San Diego (SAN) - 4.2 mi away @ 36325 ft, heading W at 422 mph. Spotted 2x before! [10:55:46 AM CDT] #A78FFA #N587AS #B738 #ALASKA #ASA15 #AS15 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N587AS - Boeing 737NG 890/W - Alaska Airlines ASA503/AS503, Seattle-Tacoma (SEA) to St Louis Lambert (STL) - 3.4 mi away @ 8250 ft, heading E at 331 mph. Spotted once before! [02:05:14 PM CST] #A78FFA #N587AS #B738 #ALASKA #ASA503 #AS503 #Landing #Arrival #ADSB #ADSBbot