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

🇺🇸 N322FR - Airbus A320 251NSL - Frontier Airlines FFT4637/F94637, Cleveland-Hopkins (CLE) to Denver (DEN) - 4.9 mi away @ 38250 ft, heading WSW at 539 mph. Spotted 25x before! [07:58:43 PM CDT] #A3764B #N322FR #A20N #FRONTIER_FLIGHT #FFT4637 #F94637 #ADSB #ADSBbot