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

🇺🇸 N77579 - Boeing 737MAX 9 - United Airlines UAL1012/UA1012, Los Angeles (LAX) to Washington Dulles (IAD) - 4.1 mi away @ 35575 ft, heading E at 629 mph. Spotted 4x before. [04:57:17 PM CST] #AA7F09 #N77579 #B39M #UNITED #UAL1012 #UA1012 #ADSB #ADSBbot

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

🇺🇸 N67350 - Boeing 737MAX 8 - United Airlines UAL1012/UA1012, Newark Liberty (EWR) to Southwest Florida (RSW) - 4.4 mi away @ 38075 ft, heading WSW at 526 mph. Spotted 3x before! [05:37:36 PM CDT] #A8E9FD #N67350 #B38M #UNITED #UAL1012 #UA1012 #ADSB #ADSBbot