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

🇺🇸 N804SY - Boeing 737NG 8Q8/W - Sun Country Airlines SCX387/SY387, Minneapolis-St Paul/Wold-Chamberlain (MSP) to Southwest Florida (RSW) - 3.9 mi away @ 34500 ft, heading SSE at 592 mph. Spotted 2x before! [05:50:24 PM CST] #AAF260 #N804SY #B738 #SUN_COUNTRY #SCX387 #SY387 #ADSB #ADSBbot