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

🇺🇸 N671FR - AIRBUS A321neo - UMB BANK NA TRUSTEE FFT3176/F93176, Dallas-Fort Worth (DFW) to Detroit Metro Wayne County (DTW) - 7.4 mi away @ 36700 ft, heading ENE at 601 mph. Spotted 2x before! [03:52:06 PM CDT] #A8DFFC #N671FR #A21N #FFT3176 #F93176 #ADSB #ADSBbot

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

🇺🇸 N656FR - AIRBUS A321-271NX - Frontier Airlines FFT3176/F93176, Dallas-Fort Worth (DFW) to Detroit Metro Wayne County (DTW) - 5.0 mi away @ 37100 ft, heading ENE at 574 mph. Spotted 3x before! [03:37:43 PM CDT] #A8A391 #N656FR #A21N #FRONTIER_FLIGHT #FFT3176 #F93176 #ADSB #ADSBbot