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

🇺🇸 N617NK - Airbus A320 232 - Spirit Airlines NKS1180/NK1180, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 4.5 mi away @ 37850 ft, heading SW at 513 mph. Spotted 14x before! [07:49:39 PM CDT] #A809F5 #N617NK #A320 #SPIRIT_WINGS #NKS1180 #NK1180 #ADSB #ADSBbot