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

🇺🇸 N680NK - Airbus A321 231SL - Spirit Airlines NKS2640/NK2640, George Bush Intcntl/Houston (IAH) to Detroit Metro Wayne County (DTW) - 4.5 mi away @ 38175 ft, heading ENE at 547 mph. Spotted 6x before! [11:26:19 AM CDT] #A9046D #N680NK #A321 #SPIRIT_WINGS #NKS2640 #NK2640 #ADSB #ADSBbot