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

🇺🇸 N975AK - Boeing 737MAX 9 - Alaska Airlines ASA572/AS572 (SEA-RDU-SEA) - 16.2 mi away @ 32550 ft, heading WNW at 482 mph. Spotted 4x before. [06:54:44 PM CST] #AD9642 #N975AK #B39M #ALASKA #ASA572 #AS572 #ADSB #ADSBbot

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

🇺🇸 N486AS - Boeing 737NG 990ER/W - Alaska Airlines ASA572/AS572 (SEA-RDU-SEA) - 3.7 mi away @ 32650 ft, heading WNW at 480 mph. Spotted 7x before. [07:03:33 PM CST] #A5FEF4 #N486AS #B739 #ALASKA #ASA572 #AS572 #ADSB #ADSBbot

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

🇺🇸 N273AK - Boeing 737NG 900ER/W - Alaska Airlines ASA572/AS572 (SEA-RDU-SEA) - 4.4 mi away @ 35475 ft, heading WNW at 506 mph. Spotted 8x before! [06:44:58 PM CDT] #A2B1AB #N273AK #B739 #ALASKA #ASA572 #AS572 #ADSB #ADSBbot

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

🇺🇸 N931AK - Boeing 737MAX 9 - Alaska Airlines ASA572/AS572 (SEA-RDU-SEA) - 4.4 mi away @ 37800 ft, heading WNW at 501 mph. Spotted 2x before! [06:48:27 PM CDT] #ACE96A #N931AK #B39M #ALASKA #ASA572 #AS572 #ADSB #ADSBbot

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

🇺🇸 N937AK - Boeing 737MAX 9 - Alaska Airlines ASA572/AS572 (SEA-RDU-SEA) - 4.4 mi away @ 37200 ft, heading E at 529 mph. Spotted 7x before! [02:42:01 PM CDT] #ACFFB4 #N937AK #B39M #ALASKA #ASA572 #AS572 #ADSB #ADSBbot

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

🇺🇸 N953AK - Boeing 737MAX 9 - Alaska Airlines ASA572/AS572 (SEA-RDU-SEA) - 4.3 mi away @ 35925 ft, heading WNW at 502 mph. Spotted 6x before! [07:05:25 PM CDT] #AD3FD6 #N953AK #B39M #ALASKA #ASA572 #AS572 #ADSB #ADSBbot