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

🇺🇸 N827SY - Boeing 737NG 8F2/W - Sun Country Airlines SCX8729/SY8729, San Diego (SAN) to St Louis Lambert (STL) - 3.6 mi away @ 8525 ft, heading ESE at 322 mph. Spotted 3x before! [07:40:13 PM CDT] #AB4C83 #N827SY #B738 #SUN_COUNTRY #SCX8729 #SY8729 #Landing #Arrival #ADSB #ADSBbot