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

🇺🇸 N983NK - Airbus A320 271NSL - Spirit Airlines NKS840/NK840, Harry Reid (LAS) to Baltimore/Washington Thurgood Marshall (BWI) - 4.3 mi away @ 33825 ft, heading E at 579 mph. Spotted 5x before! [03:33:03 AM CDT] #ADB77F #N983NK #A20N #SPIRIT_WINGS #NKS840 #NK840 #ADSB #ADSBbot