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

🇺🇸 N637FR - Airbus A321 271NXSL - Frontier Airlines FFT4966/F94966, Harry Reid (LAS) to Cleveland-Hopkins (CLE) - 4.7 mi away @ 39275 ft, heading ENE at 530 mph. Spotted 5x before! [03:27:39 AM CDT] #A8584A #N637FR #A21N #FRONTIER_FLIGHT #FFT4966 #F94966 #ADSB #ADSBbot