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

🇺🇸 N855SY - Sun Country Airlines SCX381/SY381, Minneapolis-St Paul/Wold-Chamberlain (MSP) to Southwest Florida (RSW) - 4.8 mi away @ 37475 ft, heading SSE at 556 mph. Spotted for first time! [07:20:34 AM CDT] #ABBB92 #N855SY #SUN_COUNTRY #SCX381 #SY381 #ADSB #ADSBbot