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

🇺🇸 N23721 - Boeing 737NG 724/W - United Airlines UAL1429/UA1429, Newark Liberty (EWR) to John Wayne/Orange County (SNA) - 4.9 mi away @ 39800 ft, heading W at 495 mph. Spotted 15x before! [10:37:20 PM CDT] #A22539 #N23721 #B737 #UNITED #UAL1429 #UA1429 #ADSB #ADSBbot

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

🇺🇸 N17719 - Boeing 737NG 724/W - United Airlines UAL1429/UA1429, Newark Liberty (EWR) to John Wayne/Orange County (SNA) - 4.4 mi away @ 37275 ft, heading W at 465 mph. Spotted 14x before! [08:14:18 PM CDT] #A135CB #N17719 #B737 #UNITED #UAL1429 #UA1429 #ADSB #ADSBbot