ICAO: A2DFFE
Owner: UNITEDAIRLINES
Flt: UAL1693 N28457 B739 RSW-ORD-BOS
Time: 2026-03-09 18:04:54 EDT
Min Alt: 8375 ft
Min Dist: 4.7 nm (-8deg N)
Squawk: 6271
dev adsb planefence by kx1t - sdr-e airplanes flightaware faa

ICAO: A2DFFE
Owner: UNITED AIRLINES
Flt: UAL226 N28457 B739 BOS-IAH
Time: 2026-01-31 07:28:12 EST
Min Alt: 11150 ft
Min Dist: 1.2 nm (78° ENE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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

🇺🇸 N28457 - Boeing 737NG 924ER/W - United Airlines UAL1121/UA1121, Daniel Oduber Quiros (LIR) to Chicago O'Hare (ORD) - 4.6 mi away @ 39500 ft, heading N at 437 mph. Spotted 10x before. [04:30:05 PM CST] #A2DFFE #N28457 #B739 #UNITED #UAL1121 #UA1121 #ADSB #ADSBbot

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

🇺🇸 N28457 - Boeing 737NG 924ER/W - United Airlines UAL1873/UA1873, Phoenix Sky Harbor (PHX) to Washington Dulles (IAD) - 4.5 mi away @ 35725 ft, heading E at 585 mph. Spotted 9x before! [12:27:03 PM CST] #A2DFFE #N28457 #B739 #UNITED #UAL1873 #UA1873 #ADSB #ADSBbot

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

🇺🇸 N28457 - Boeing 737NG 924ER/W - United Airlines UAL1779/UA1779, Harry Reid (LAS) to Chicago O'Hare (ORD) - 3.8 mi away @ 32550 ft, heading ENE at 530 mph. Spotted 8x before! [07:31:24 PM CDT] #A2DFFE #N28457 #B739 #UNITED #UAL1779 #UA1779 #ADSB #ADSBbot