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

🇺🇸 N834SY - Boeing 737NG 8KN/W - Sun Country Airlines SCX8174/SY8174 - 4.4 mi away @ 37000 ft, heading S at 545 mph. Spotted 4x before! [08:47:43 PM CDT] #AB68DD #N834SY #B738 #SUN_COUNTRY #SCX8174 #SY8174 #ADSB #ADSBbot