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

🇺🇸 N249NV - Airbus A320 214SL - Allegiant Air AAY329/G4329, Des Moines (DSM) to Nashville (BNA) - 4.8 mi away @ 40900 ft, heading SE at 555 mph. Spotted 7x before! [06:15:22 PM CDT] #A252AE #N249NV #A320 #ALLEGIANT #AAY329 #G4329 #ADSB #ADSBbot