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

🇺🇸 N57868 - Boeing 757 33N/W - United Airlines UAL1323/UA1323 (IAD-LAS-DEN) - 4.2 mi away @ 36250 ft, heading W at 445 mph. Spotted 2x before. [09:59:34 AM CDT] #A76F6C #N57868 #B753 #UNITED #UAL1323 #UA1323 #ADSB #ADSBbot

ICAO: A76F6C
Owner: UNITEDAIRLINES
Flt: UAL2356 N57868 B753 LAS-SFO-BOS
Time: 2026-03-11 21:22:55 EDT
Min Alt: 7925 ft
Min Dist: 0.99 nm (17deg NNE)
Squawk: 4130
dev adsb planefence by kx1t - sdr-e airplanes flightaware faa