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

🇺🇸 N76516 - Boeing 737NG 824/W - United Airlines UAL2439/UA2439, George Bush Intcntl/Houston (IAH) to General Edward Lawrence Logan (BOS) - 4.9 mi away @ 38200 ft, heading ENE at 588 mph. Spotted 8x before! [09:51:37 PM CDT] #AA56B5 #N76516 #B738 #UNITED #UAL2439 #UA2439 #ADSB #ADSBbot