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

🇺🇸 N17347 - Boeing 737MAX 8 - United Airlines UAL1673/UA1673 (EWR-CLE-ORD-DFW) - 4.6 mi away @ 38925 ft, heading SW at 448 mph. Spotted 5x before! [09:42:09 PM CST] #A12756 #N17347 #B38M #UNITED #UAL1673 #UA1673 #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 UAL2386/UA2386, San Francisco (SFO) to Ronald Reagan Washington Ntl (DCA) - 4.6 mi away @ 38400 ft, heading E at 578 mph. Spotted 4x before! [08:03:53 PM CDT] #A12756 #N17347 #B38M #UNITED #UAL2386 #UA2386 #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.

🇺🇸 N17347 - Boeing 737MAX 8 - United Airlines UAL2423/UA2423, San Francisco (SFO) to Baltimore/Washington Thurgood Marshall (BWI) - 4.4 mi away @ 39225 ft, heading E at 534 mph. Spotted 2x before! [04:39:29 AM CDT] #A12756 #N17347 #B38M #UNITED #UAL2423 #UA2423 #ADSB #ADSBbot