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

🇺🇸 N53441 - Boeing 737NG 924ER/W - United Airlines UAL1330/UA1330, Newark Liberty (EWR) to Seattle-Tacoma (SEA) - 3.7 mi away @ 31800 ft, heading W at 508 mph. Spotted 14x before! [09:04:54 AM CDT] #A6C247 #N53441 #B739 #UNITED #UAL1330 #UA1330 #ADSB #ADSBbot