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

🇺🇸 N954SW - Bombardier CRJ 200LR - United Express SKW430X/OO430X, Denver (DEN) to Fresno Yosemite (FAT) - 4.1 mi away @ 34000 ft, heading WSW at 493 mph. Spotted 5x before! [09:29:06 AM CDT] #AD4528 #N954SW #CRJ2 #SKYWEST #SKW430X #OO430X #ADSB #ADSBbot