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

🇺🇸 N14518 - Airbus A321 271NXSL - United Airlines UAL2211/UA2211 (RSW-ORD-SEA-IAD) - 4.6 mi away @ 39075 ft, heading ENE at 560 mph. Spotted 4x before! [08:34:06 PM CDT] #A0B7DF #N14518 #A21N #UNITED #UAL2211 #UA2211 #ADSB #ADSBbot