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

🇺🇸 N536NK - Airbus A319 133 - Spirit Airlines NKS1040/NK1040, Fort Lauderdale/Hollywood (FLL) to St Louis Lambert (STL) - 3.5 mi away @ 4275 ft, heading NW at 249 mph. Spotted 3x before! [05:31:27 PM CST] #A6C7ED #N536NK #A319 #SPIRIT_WINGS #NKS1040 #NK1040 #Landing #Arrival #ADSB #ADSBbot