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

🇺🇸 N811UA - Airbus A319 131 - United Airlines UAL2137/UA2137 (MSN-ORD-SLC) - 4.2 mi away @ 35925 ft, heading WSW at 542 mph. Spotted 37x before! [10:20:01 AM CDT] #AB0ED6 #N811UA #A319 #UNITED #UAL2137 #UA2137 #ADSB #ADSBbot

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

🇺🇸 N12754 - Boeing 737NG 7V3/W - United Airlines UAL2137/UA2137 (MSN-ORD-SLC) - 4.9 mi away @ 40250 ft, heading WSW at 530 mph. Spotted 23x before! [10:12:56 AM CDT] #A070D7 #N12754 #B737 #UNITED #UAL2137 #UA2137 #ADSB #ADSBbot