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

🇺🇸 N823SY - Boeing 737NG 85P/W - Sun Country Airlines SCX8924/SY8924 - 5.4 mi away @ 40875 ft, heading E at 558 mph. Spotted 6x before! [02:32:24 PM CDT] #AB3DA7 #N823SY #B738 #SUN_COUNTRY #SCX8924 #SY8924 #ADSB #ADSBbot