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

🇺🇸 N566AS - Boeing 737NG 890/W - Alaska Airlines ASA533/AS533, Hartsfield - Jackson Atlanta (ATL) to Seattle-Tacoma (SEA) - 4.3 mi away @ 33875 ft, heading WNW at 426 mph. Spotted 5x before! [09:43:42 AM CST] #A73D45 #N566AS #B738 #ALASKA #ASA533 #AS533 #ADSB #ADSBbot

Planefence ICAO: A73D45
Flt: ASA537 ALASKAAIRLINES BOS - SEA
First seen: 2025-11-18 09:06:19 EST
Min Alt: 2350 ft MSL
Min Dist: 0.27 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.

🇺🇸 N566AS - Boeing 737NG 890/W - Alaska Airlines ASA522/AS522, Seattle-Tacoma (SEA) to Nashville (BNA) - 4.5 mi away @ 36525 ft, heading ESE at 576 mph. Spotted 4x before! [02:11:14 PM CDT] #A73D45 #N566AS #B738 #ALASKA #ASA522 #AS522 #ADSB #ADSBbot

Planefence ICAO: A73D45
Flt: ASA389 ALASKAAIRLINES SAN - SJC
First seen: 2025-05-26 08:48:01 EDT
Min Alt: 2000 ft MSL
Min Dist: 0.38 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.

🇺🇸 N566AS - Boeing 737NG 890/W - Alaska Airlines ASA15/AS15, Ronald Reagan Washington Ntl (DCA) to San Diego (SAN) - 4.4 mi away @ 36700 ft, heading W at 525 mph. Spotted 3x before! [11:01:15 AM CDT] #A73D45 #N566AS #B738 #ALASKA #ASA15 #AS15 #ADSB #ADSBbot