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

🇺🇸 N831FL - Bombardier CRJ 200SF - IFL Group TSU831/IF831, Oakland County (PTK) to El Paso (ELP) - 4.2 mi away @ 35975 ft, heading WSW at 457 mph. Spotted once before! [04:26:27 AM CST] #AB5C99 #N831FL #CRJ2 #TRANSAUTO #TSU831 #IF831 #ADSB #ADSBbot

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

🇺🇸 N831FL - Bombardier CRJ 200SF - IFL Group TSU831/IF831 - 4.1 mi away @ 35500 ft, heading NE at 506 mph. Spotted for first time! [04:41:39 PM CDT] #AB5C99 #N831FL #CRJ2 #TRANSAUTO #TSU831 #IF831 #ADSB #ADSBbot