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

🇺🇸 N827SK - Bombardier CRJ 900 LR NG - Delta Connection EDV5482/9E5482 (LGA-XNA-LGA) - 4.2 mi away @ 36300 ft, heading ENE at 562 mph. Spotted for first time! [01:02:46 PM CST] #AB4C76 #N827SK #CRJ9 #SKYWEST #EDV5482 #9E5482 #ADSB #ADSBbot