Map of the St. Louis area showing the position and track of the aircraft described in the post.
πΊπΈ N210UA - Boeing 777 222 - United Airlines UAL1423/UA1423, Cancun (CUN) to Chicago O'Hare (ORD) - 4.8 mi away @ 39150 ft, heading N at 513 mph. Spotted 9x before. [05:01:59 PM CST] #A1BB45 #N210UA #B772 #UNITED #UAL1423 #UA1423 #ADSB #ADSBbot