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

🇺🇸 N612NK - Airbus A320 232 - Spirit Airlines NKS225/NK225, George Bush Intcntl/Houston (IAH) to Detroit Metro Wayne County (DTW) - 4.8 mi away @ 35000 ft, heading NE at 612 mph. Spotted 6x before! [02:06:40 PM CDT] #A7F762 #N612NK #A320 #SPIRIT_WINGS #NKS225 #NK225 #ADSB #ADSBbot