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

🇺🇸 N955NK - Airbus A320 271NSL - Spirit Airlines NKS906/NK906, Baltimore/Washington Thurgood Marshall (BWI) to Harry Reid (LAS) - 4.1 mi away @ 34275 ft, heading W at 455 mph. Spotted 9x before! [06:38:16 AM CDT] #AD4870 #N955NK #A20N #SPIRIT_WINGS #NKS906 #NK906 #ADSB #ADSBbot