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

🇺🇸 N622FR - Airbus A321 271NXSL - Frontier Airlines FFT7287/F97287, Cancun (CUN) to St Louis Lambert (STL) - 3.4 mi away @ 4825 ft, heading NW at 250 mph. Spotted 28x before. [01:36:21 PM CST] #A81E38 #N622FR #A21N #FRONTIER_FLIGHT #FFT7287 #F97287 #Landing #Arrival #ADSB #ADSBbot