ICAO: A6EDC3
Owner: UNITEDAIRLINES
Flt: UAL777 N54561 A21N
Time: 2026-09-29 00:57:21 CDT
Min Alt: 29975 ft
Min Dist: 7.93 nm (162deg SSE)
Squawk: 6537
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🇺🇸 N54561 - Boeing Stearman A75N1 N2S-1 Kaydet - WILMINGTON TRUST CO TRUSTEE UAL2853/UA2853, Denver (DEN) to Washington Dulles (IAD) - 4.4 mi away @ 32825 ft, heading ESE at 545 mph. Spotted for first time! [03:10:54 PM CDT] #A6EDC3 #N54561 #ST75 #UAL2853 #UA2853 #ADSB #ADSBbot

Incident: United A21N near Denver on Sep 4th 2026, three flight attendants become sick in flight #A21N #N54561 #UA-2803
http://avherald.com/h?article=5402885f