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

🇺🇸 N833SY - Boeing 737NG 8KN/W - Sun Country Airlines SCX8211/SY8211, St Louis Lambert (STL) to Gulfport-Biloxi (GPT) - 3.3 mi away @ 6300 ft, heading S at 300 mph. Spotted 10x before. [02:34:06 PM CST] #AB6526 #N833SY #B738 #SUN_COUNTRY #SCX8211 #SY8211 #TakingOff #Departure #ADSB #ADSBbot