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

🇺🇸 N921AK - Boeing 737MAX 9 - Alaska Airlines ASA124/AS124, Hartsfield - Jackson Atlanta (ATL) to Seattle-Tacoma (SEA) - 4.3 mi away @ 35325 ft, heading WNW at 452 mph. Spotted 7x before! [07:46:19 PM CDT] #ACC1EB #N921AK #B39M #ALASKA #ASA124 #AS124 #ADSB #ADSBbot

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

🇺🇸 N956AK - Boeing 737MAX 9 - Alaska Airlines ASA124/AS124, Hartsfield - Jackson Atlanta (ATL) to Seattle-Tacoma (SEA) - 4.2 mi away @ 35250 ft, heading WNW at 499 mph. Spotted 7x before! [08:19:11 PM CDT] #AD4AFB #N956AK #B39M #ALASKA #ASA124 #AS124 #ADSB #ADSBbot