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

🇺🇸 N943AK - Boeing 737MAX 9 - Alaska Airlines ASA419/AS419, Orlando (MCO) to Seattle-Tacoma (SEA) - 7.9 mi away @ 29275 ft, heading NW at 519 mph. Spotted 7x before! [06:21:53 PM CDT] #AD1857 #N943AK #B39M #ALASKA #ASA419 #AS419 #ADSB #ADSBbot

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

🇺🇸 N722AL - Boeing 737MAX 9 - Alaska Airlines ASA419/AS419, Orlando (MCO) to Seattle-Tacoma (SEA) - 4.1 mi away @ 33425 ft, heading WNW at 477 mph. Spotted once before! [05:56:06 PM CDT] #A9AB05 #N722AL #B39M #ALASKA #ASA419 #AS419 #ADSB #ADSBbot