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

🇺🇸 N705AL - Boeing 737MAX 9 - Alaska Airlines ASA1207/AS1207, Chicago O'Hare (ORD) to San Diego (SAN) - 4.2 mi away @ 35650 ft, heading WSW at 461 mph. Spotted 3x before! [04:39:22 PM CDT] #A9672C #N705AL #B39M #ALASKA #ASA1207 #AS1207 #ADSB #ADSBbot