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

🇺🇸 N573GJ - Bombardier CRJ 700 701ER - United Express SKW5501/OO5501, Memphis (MEM) to Chicago O'Hare (ORD) - 4.2 mi away @ 36200 ft, heading N at 440 mph. Spotted 2x before! [06:51:33 PM CST] #A75A2D #N573GJ #CRJ7 #LINDBERGH #SKW5501 #OO5501 #ADSB #ADSBbot

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

🇺🇸 N573GJ - Bombardier CRJ 700 701ER - United Express SKW5501/OO5501, Memphis (MEM) to Chicago O'Hare (ORD) - 4.5 mi away @ 35900 ft, heading NNE at 539 mph. Spotted for first time! [07:14:59 PM CST] #A75A2D #N573GJ #CRJ7 #LINDBERGH #SKW5501 #OO5501 #ADSB #ADSBbot