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

🇺🇸 N692NK - Airbus A320 232SL - Spirit Airlines NKS391/NK391, Louis Armstrong New Orleans (MSY) to Chicago O'Hare (ORD) - 4.5 mi away @ 36475 ft, heading NNE at 530 mph. Spotted 13x before. [10:52:46 AM CST] #A9335A #N692NK #A320 #SPIRIT_WINGS #NKS391 #NK391 #ADSB #ADSBbot