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

🇺🇸 N66825 - Boeing 737NG 924ER/W - United Airlines UAL2129/UA2129, San Diego (SAN) to Washington Dulles (IAD) - 4.5 mi away @ 36925 ft, heading E at 579 mph. Spotted 7x before! [03:04:14 AM CDT] #A8D4AD #N66825 #B739 #UNITED #UAL2129 #UA2129 #ADSB #ADSBbot

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

🇺🇸 N66825 - Boeing 737NG 924ER/W - United Airlines UAL1196/UA1196, Cancun (CUN) to Chicago O'Hare (ORD) - 4.3 mi away @ 35975 ft, heading NNE at 534 mph. Spotted 6x before! [03:46:11 PM CDT] #A8D4AD #N66825 #B739 #UNITED #UAL1196 #UA1196 #ADSB #ADSBbot