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

🇺🇸 N907AN - Boeing 737NG 823/W - American Airlines AAL2205/AA2205, Kansas City (MCI) to Chicago O'Hare (ORD) - 4.4 mi away @ 39175 ft, heading ENE at 531 mph. Spotted 49x before! [07:45:55 AM CDT] #AC893A #N907AN #B738 #AMERICAN #AAL2205 #AA2205 #ADSB #ADSBbot