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

🇺🇸 N831SY - Boeing 737NG 83N/W - Sun Country Airlines SCX8133/SY8133 - 3.5 mi away @ 6875 ft, heading S at 341 mph. Spotted 12x before. [06:48:56 PM CST] #AB5DB8 #N831SY #B738 #SUN_COUNTRY #SCX8133 #SY8133 #TakingOff #ADSB #ADSBbot