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

🇺🇸 N17279 - Boeing 737MAX 8 - United Airlines UAL427/UA427, San Diego (SAN) to Newark Liberty (EWR) - 3.8 mi away @ 29500 ft, heading ENE at 603 mph. Spotted 14x before. [07:11:06 PM CST] #A1240A #N17279 #B38M #UNITED #UAL427 #UA427 #ADSB #ADSBbot

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

🇺🇸 N17347 - Boeing 737MAX 8 - United Airlines UAL427/UA427, San Diego (SAN) to Newark Liberty (EWR) - 4.6 mi away @ 39325 ft, heading ENE at 563 mph. Spotted 3x before! [03:12:09 AM CDT] #A12756 #N17347 #B38M #UNITED #UAL427 #UA427 #ADSB #ADSBbot

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

🇺🇸 N13113 - Boeing 757 224/W - United Airlines UAL427/UA427, San Diego (SAN) to Newark Liberty (EWR) - 4.6 mi away @ 40050 ft, heading ENE at 612 mph. Spotted once before! [02:52:10 AM CDT] #A0817F #N13113 #B752 #UNITED #UAL427 #UA427 #ADSB #ADSBbot