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

🇺🇸 N550NN - Bombardier CRJ 900 LR NG - American Eagle JIA5396/OH5396, Ronald Reagan Washington Ntl (DCA) to Tulsa (TUL) - 4.2 mi away @ 35700 ft, heading WSW at 521 mph. Spotted 7x before! [05:08:54 PM CDT] #A700A4 #N550NN #CRJ9 #BLUE_STREAK #JIA5396 #OH5396 #ADSB #ADSBbot