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

🇺🇸 N728NK - Airbus A321 271NXSL - Spirit Airlines NKS2352/NK2352, Los Angeles (LAX) to Hartsfield - Jackson Atlanta (ATL) - 4.4 mi away @ 36750 ft, heading ESE at 561 mph. Spotted 3x before! [06:09:12 PM CDT] #A9C27A #N728NK #A21N #SPIRIT_WINGS #NKS2352 #NK2352 #ADSB #ADSBbot