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

🇺🇸 N730NK - Airbus A321 271NXSL - Spirit Airlines NKS2145/NK2145, Detroit Metro Wayne County (DTW) to Los Angeles (LAX) - 4.9 mi away @ 38375 ft, heading WSW at 539 mph. Spotted 4x before! [08:04:02 AM CDT] #A9CC41 #N730NK #A21N #SPIRIT_WINGS #NKS2145 #NK2145 #ADSB #ADSBbot