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

🇺🇸 N37371 - BOEING 737 MAX 8 - United Airlines UAL1114/UA1114, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 4.5 mi away @ 38300 ft, heading W at 522 mph. Spotted 2x before! [06:46:42 AM CDT] #A44257 #N37371 #B38M #UNITED #UAL1114 #UA1114 #ADSB #ADSBbot

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

🇺🇸 N37371 - BOEING 737 MAX 8 - UNITED AIRLINES INC UAL457/UA457 (JAX-ORD-AUS) - 13.4 mi away @ 38400 ft, heading SW at 524 mph. Spotted once before! [10:24:35 PM CDT] #A44257 #N37371 #B38M #UAL457 #UA457 #ADSB #ADSBbot

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

🇺🇸 N37371 - BOEING 737 MAX 8 - UNITED AIRLINES INC UAL2386/UA2386, San Francisco (SFO) to Ronald Reagan Washington Ntl (DCA) - 4.2 mi away @ 35100 ft, heading E at 523 mph. Spotted for first time! [06:41:53 PM CDT] #A44257 #N37371 #B38M #UAL2386 #UA2386 #ADSB #ADSBbot