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

🇺🇸 N39463 - Boeing 737NG 924ER/W - United Airlines UAL1071/UA1071 (SAN-IAD-DEN) - 4.5 mi away @ 34600 ft, heading E at 513 mph. Spotted 11x before! [01:22:56 PM CDT] #A494EB #N39463 #B739 #UNITED #UAL1071 #UA1071 #ADSB #ADSBbot

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

🇺🇸 N14539 - AIRBUS S A S A321-271NX - UNITED AIRLINES INC UAL1071/UA1071 (SAN-IAD-DEN) - 4.4 mi away @ 35775 ft, heading W at 524 mph. Spotted for first time! [07:05:28 PM CDT] #A0B826 #N14539 #UAL1071 #UA1071 #ADSB #ADSBbot