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

🇺🇸 N73299 - Boeing 737NG 824/W - United Airlines UAL1978/UA1978, Denver (DEN) to Cincinnati/Northern Kentucky (CVG) - 4.6 mi away @ 37175 ft, heading ESE at 544 mph. Spotted 9x before! [01:23:12 PM CDT] #A9D62E #N73299 #B738 #UNITED #UAL1978 #UA1978 #ADSB #ADSBbot

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

🇺🇸 N73299 - Boeing 737NG 824/W - United Airlines UAL1215/UA1215, Chicago O'Hare (ORD) to Austin-Bergstrom (AUS) - 5.0 mi away @ 39050 ft, heading SW at 442 mph. Spotted 8x before! [09:56:29 AM CDT] #A9D62E #N73299 #B738 #UNITED #UAL1215 #UA1215 #ADSB #ADSBbot

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

🇺🇸 N73299 - Boeing 737NG 824/W - United Airlines UAL1315/UA1315, Denver (DEN) to St Louis Lambert (STL) - 3.2 mi away @ 8375 ft, heading E at 358 mph. Spotted 7x before! [04:01:25 PM CST] #A9D62E #N73299 #B738 #UNITED #UAL1315 #UA1315 #Landing #Arrival #ADSB #ADSBbot

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

🇺🇸 N73299 - Boeing 737NG 824/W - United Airlines UAL729/UA729, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.6 mi away @ 33325 ft, heading SW at 467 mph. Spotted 6x before! [08:05:55 AM CST] #A9D62E #N73299 #B738 #UNITED #UAL729 #UA729 #ADSB #ADSBbot