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

🇺🇸 N27273 - Boeing 737MAX 8 - United Airlines UAL637/UA637, Washington Dulles (IAD) to Austin-Bergstrom (AUS) - 4.4 mi away @ 35650 ft, heading WSW at 510 mph. Spotted 6x before! [09:34:09 AM CDT] #A2B153 #N27273 #B38M #UNITED #UAL637 #UA637 #ADSB #ADSBbot

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

🇺🇸 N17264 - Boeing 737MAX 8 - United Airlines UAL637/UA637, Washington Dulles (IAD) to Austin-Bergstrom (AUS) - 4.1 mi away @ 35600 ft, heading WSW at 519 mph. Spotted 13x before! [09:40:49 AM CDT] #A123E2 #N17264 #B38M #UNITED #UAL637 #UA637 #ADSB #ADSBbot

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

🇺🇸 N13750 - Boeing 737NG 724/W - United Airlines UAL637/UA637, Dallas-Fort Worth (DFW) to Newark Liberty (EWR) - 4.7 mi away @ 36450 ft, heading NE at 585 mph. Spotted 20x before! [07:59:07 AM CDT] #A09852 #N13750 #B737 #UNITED #UAL637 #UA637 #ADSB #ADSBbot

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

🇺🇸 N61881 - Boeing 737NG 924ER/W - United Airlines UAL637/UA637, Dallas-Fort Worth (DFW) to Newark Liberty (EWR) - 4.4 mi away @ 39250 ft, heading NE at 642 mph. Spotted 13x before! [08:03:56 AM CST] #A81000 #N61881 #B739 #UNITED #UAL637 #UA637 #ADSB #ADSBbot

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

🇺🇸 N876UA - Airbus A319 132 - United Airlines UAL637/UA637, Dallas-Fort Worth (DFW) to Newark Liberty (EWR) - 4.4 mi away @ 38950 ft, heading NE at 649 mph. Spotted 30x before! [08:15:40 AM CST] #AC0E63 #N876UA #A319 #UNITED #UAL637 #UA637 #ADSB #ADSBbot