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

🇺🇸 N396FR - Airbus A320 251NSL - Frontier Airlines FFT3600/F93600, Denver (DEN) to Hartsfield - Jackson Atlanta (ATL) - 5.1 mi away @ 39000 ft, heading ESE at 478 mph. Spotted 13x before! [06:15:31 PM CDT] #A499A0 #N396FR #A20N #FRONTIER_FLIGHT #FFT3600 #F93600 #ADSB #ADSBbot