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

🇺🇸 N826SY - Boeing 737NG 8F2/W - Sun Country Airlines SCX8103/SY8103, Denver (DEN) to St Louis Lambert (STL) - 4.8 mi away @ 18450 ft, heading NW at 445 mph. Spotted 12x before! [05:24:29 PM CST] #AB48CC #N826SY #B738 #SUN_COUNTRY #SCX8103 #SY8103 #Arrival #ADSB #ADSBbot