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

🇺🇸 N391FR - Airbus A320 251NSL - Frontier Airlines FFT1342/F91342, Dallas-Fort Worth (DFW) to Chicago O'Hare (ORD) - 3.9 mi away @ 32300 ft, heading NNE at 542 mph. Spotted 26x before! [01:56:09 PM CDT] #A4870D #N391FR #A20N #FRONTIER_FLIGHT #FFT1342 #F91342 #ADSB #ADSBbot