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

🇺🇸 N693NK - Airbus A320 232SL - Spirit Airlines NKS898/NK898, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.4 mi away @ 37325 ft, heading SW at 473 mph. Spotted 12x before. [10:09:37 PM CST] #A93711 #N693NK #A320 #SPIRIT_WINGS #NKS898 #NK898 #ADSB #ADSBbot