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

🇺🇸 N12218 - Boeing 737NG 824/W - United Airlines UAL8178/UA8178, Newark Liberty (EWR) to Los Angeles (LAX) - 13.2 mi away @ 37000 ft, heading ESE at 583 mph. Spotted 18x before! [12:26:20 PM CDT] #A05DBC #N12218 #B738 #UNITED #UAL8178 #UA8178 #ADSB #ADSBbot

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

🇺🇸 N73259 - Boeing 737NG 824/W - United Airlines UAL8178/UA8178, Newark Liberty (EWR) to Los Angeles (LAX) - 5.2 mi away @ 38575 ft, heading ESE at 569 mph. Spotted 15x before! [12:18:43 PM CDT] #A9D5A2 #N73259 #B738 #UNITED #UAL8178 #UA8178 #ADSB #ADSBbot

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

🇺🇸 N14524 - Airbus A321 271NXSL - United Airlines UAL8178/UA8178 (AUS-ORD-SFO) - 4.0 mi away @ 34800 ft, heading WSW at 516 mph. Spotted once before! [12:09:09 AM CDT] #A0B7FE #N14524 #A21N #UNITED #UAL8178 #UA8178 #ADSB #ADSBbot