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

🇺🇸 N923NK - Airbus A320 271NSL - Spirit Airlines NKS1060/NK1060, Detroit Metro Wayne County (DTW) to Dallas-Fort Worth (DFW) - 4.8 mi away @ 40050 ft, heading SW at 506 mph. Spotted 12x before! [06:14:35 PM CDT] #ACCA85 #N923NK #A20N #SPIRIT_WINGS #NKS1060 #NK1060 #ADSB #ADSBbot