ICAO: A2F584
Owner: ALASKAAIRLINES
Flt: ASA436 N290AK B739 PDX-BOS
Time: 2026-03-27 04:38:54 EDT
Min Alt: 7800 ft
Min Dist: 1.1 nm (48deg NE)

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ICAO: A2F584
Owner: ALASKAAIRLINES
Flt: ASA536 N290AK B739 SEA-BOS
Time: 2026-02-26 06:09:22 EST
Min Alt: 9150 ft
Min Dist: 1.01 nm (28deg NNE)

dev adsb planefence by kx1t - sdr-e airplanes flightaware faa

ICAO: A2F584
Owner: ALASKA AIRLINES
Flt: ASA356 N290AK B739 SFO-BOS
Time: 2025-12-10 15:05:45 EST
Min Alt: 9750 ft
Min Dist: 1 nm (22° NNE)
Loudness: 0 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: A2F584
Owner: ALASKA AIRLINES
Flt: ASA390 N290AK B739 SAN-BOS
Time: 2025-12-09 17:50:54 EST
Min Alt: 9175 ft
Min Dist: 1 nm (25° NNE)
Loudness: 1 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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

🇺🇸 N290AK - Boeing 737NG 900ER/W - Alaska Airlines ASA473/AS473, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.6 mi away @ 12425 ft, heading NW at 420 mph. Spotted 8x before! [06:18:23 AM CDT] #A2F584 #N290AK #B739 #ALASKA #ASA473 #AS473 #Landing #Departure #ADSB #ADSBbot

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

🇺🇸 N290AK - Boeing 737NG 900ER/W - Alaska Airlines ASA473/AS473, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.6 mi away @ 13725 ft, heading NW at 428 mph. Spotted 7x before! [07:02:44 AM CDT] #A2F584 #N290AK #B739 #ALASKA #ASA473 #AS473 #TakingOff #Departure #ADSB #ADSBbot