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

🇺🇸 N335NV - Airbus A319 111 - Allegiant Air AAY357/G4357, Nashville (BNA) to Joe Foss Field (FSD) - 4.1 mi away @ 35575 ft, heading NW at 439 mph. Spotted 2x before. [08:37:32 AM CST] #A3A9A2 #N335NV #A319 #ALLEGIANT #AAY357 #G4357 #ADSB #ADSBbot