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

🇺🇸 N935NK - Airbus A320 271NSL - Spirit Airlines NKS174/NK174, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 4.3 mi away @ 36350 ft, heading SW at 424 mph. Spotted 10x before! [05:27:24 PM CST] #ACF972 #N935NK #A20N #SPIRIT_WINGS #NKS174 #NK174 #ADSB #ADSBbot