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

🇺🇸 N218NV - Airbus A320 214 - Allegiant Air AAY1626/G41626, South Bend (SBN) to Harry Reid (LAS) - 19.4 mi away @ 35825 ft, heading WSW at 507 mph. Spotted 3x before! [11:34:25 PM CDT] #A1D87A #N218NV #A320 #ALLEGIANT #AAY1626 #G41626 #ADSB #ADSBbot