Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N461AS - Boeing 737NG 990ER/W - Alaska Airlines ASA388/AS388 (SEA-STL-SEA) - 3.5 mi away @ 14750 ft, heading NW at 398 mph. Spotted 4x before. [04:47:41 PM CDT] #A59D63 #N461AS #B739 #ALASKA #ASA388 #AS388 #Landing #ADSB #ADSBbot