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

🇺🇸 N73406 - Boeing 737NG 924/W - United Airlines UAL1973/UA1973 (DFW-IAH-STL) - 3.4 mi away @ 3900 ft, heading N at 282 mph. Spotted 7x before! [09:53:18 PM CDT] #A9DC5E #N73406 #B739 #UNITED #UAL1973 #UA1973 #Landing #ADSB #ADSBbot

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

🇺🇸 N73406 - Boeing 737NG 924/W - United Airlines UAL3922/UA3922 - 6.6 mi away @ 7375 ft, heading S at 319 mph. Spotted 6x before! [08:42:11 PM CDT] #A9DC5E #N73406 #B739 #UNITED #UAL3922 #UA3922 #Landing #ADSB #ADSBbot