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

🇺🇸 N982AK - Boeing 737MAX 9 - Alaska Airlines ASA1268/AS1268, Portland (PDX) to Nashville (BNA) - 5.3 mi away @ 39250 ft, heading E at 571 mph. Spotted 3x before! [02:18:42 PM CDT] #ADB29C #N982AK #B39M #ALASKA #ASA1268 #AS1268 #ADSB #ADSBbot