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

🇺🇸 N36472 - Boeing 737NG 924ER/W - United Airlines UAL2124/UA2124, George Bush Intcntl/Houston (IAH) to Chicago O'Hare (ORD) - 3.9 mi away @ 32775 ft, heading NNE at 534 mph. Spotted 12x before! [11:20:41 AM CDT] #A41E90 #N36472 #B739 #UNITED #UAL2124 #UA2124 #ADSB #ADSBbot

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

🇺🇸 N62894 - Boeing 737NG 924ER/W - United Airlines UAL2124/UA2124 (PNS-IAH-ORD) - 4.4 mi away @ 34500 ft, heading NE at 572 mph. Spotted 11x before! [11:23:08 AM CDT] #A837A5 #N62894 #B739 #UNITED #UAL2124 #UA2124 #ADSB #ADSBbot

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

🇺🇸 N78448 - Boeing 737NG 924ER/W - United Airlines UAL2124/UA2124 (PNS-IAH-ORD) - 3.8 mi away @ 28675 ft, heading NNE at 544 mph. Spotted 9x before! [11:20:56 AM CDT] #AAA267 #N78448 #B739 #UNITED #UAL2124 #UA2124 #ADSB #ADSBbot

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

🇺🇸 N37563 - Boeing 737MAX 9 - United Airlines UAL2124/UA2124, George Bush Intcntl/Houston (IAH) to Chicago O'Hare (ORD) - 8.1 mi away @ 32975 ft, heading NNE at 515 mph. Spotted 3x before! [11:01:32 AM CDT] #A449A4 #N37563 #B39M #UNITED #UAL2124 #UA2124 #ADSB #ADSBbot

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

🇺🇸 N35204 - Boeing 737NG 824/W - United Airlines UAL2124/UA2124, George Bush Intcntl/Houston (IAH) to Chicago O'Hare (ORD) - 4.1 mi away @ 37025 ft, heading NNE at 627 mph. Spotted 15x before! [11:19:21 AM CST] #A3EEB0 #N35204 #B738 #UNITED #UAL2124 #UA2124 #ADSB #ADSBbot