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

🇺🇸 N687NK - Airbus A321 231SL - Spirit Airlines NKS2056/NK2056, Austin-Bergstrom (AUS) to Detroit Metro Wayne County (DTW) - 4.9 mi away @ 38500 ft, heading ENE at 584 mph. Spotted 11x before! [02:42:21 PM CDT] #A91E6E #N687NK #A321 #SPIRIT_WINGS #NKS2056 #NK2056 #ADSB #ADSBbot

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

🇺🇸 N665NK - Airbus A321 231SL - Spirit Airlines NKS2056/NK2056, Austin-Bergstrom (AUS) to Detroit Metro Wayne County (DTW) - 4.2 mi away @ 36525 ft, heading ENE at 573 mph. Spotted 11x before! [02:52:08 PM CDT] #A8C802 #N665NK #A321 #SPIRIT_WINGS #NKS2056 #NK2056 #ADSB #ADSBbot