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

🇺🇸 N14530 - AIRBUS A321neo - UNITED AIRLINES INC UAL1740/UA1740, Chicago O'Hare (ORD) to Southwest Florida (RSW) - 4.3 mi away @ 34950 ft, heading SSW at 494 mph. Spotted for first time! [08:17:15 AM CDT] #A0B81D #N14530 #A21N #UAL1740 #UA1740 #ADSB #ADSBbot