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

🇺🇸 N730US - Airbus A319 112 - American Airlines AAL3129/AA3129, Kansas City (MCI) to Philadelphia (PHL) - 4.5 mi away @ 37525 ft, heading E at 623 mph. Spotted 23x before! [04:17:24 PM CDT] #A9CCDE #N730US #A319 #AMERICAN #AAL3129 #AA3129 #ADSB #ADSBbot