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

🇺🇸 N683NK - Airbus A321 231SL - Spirit Airlines NKS1451/NK1451, Detroit Metro Wayne County (DTW) to Harry Reid (LAS) - 4.2 mi away @ 35100 ft, heading WSW at 488 mph. Spotted 13x before. [08:49:05 AM CST] #A90F92 #N683NK #A321 #SPIRIT_WINGS #NKS1451 #NK1451 #ADSB #ADSBbot