ICAO: A8D4EF
Owner: UNITEDAIRLINES
Flt: UAL558 N66841 B739 DEN-BOS
Time: 2026-03-20 13:19:21 EDT
Min Alt: 7800 ft
Min Dist: 1.1 nm (47deg NE)
dev adsb planefence by kx1t - sdr-e airplanes flightaware faa
ICAO: A8D4EF
Owner: UNITEDAIRLINES
Flt: UAL1491 N66841 B739 ORD-BOS
Time: 2026-03-04 14:59:54 EST
Min Alt: 9125 ft
Min Dist: 0.99 nm (23deg NNE)
dev adsb planefence by kx1t - sdr-e airplanes flightaware faa
Planefence ICAO: A8D4EF
Flt: UAL721 UNITEDAIRLINES EWR - MCO
First seen: 2026-01-02 14:28:41 EST
Min Alt: 4775 ft MSL
Min Dist: 1.67 nm
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Planefence ICAO: A8D4EF
Flt: UAL721 UNITEDAIRLINES EWR - MCO
First seen: 2026-01-02 14:28:04 EST
Min Alt: 3200 ft MSL
Min Dist: 0.04 mi
adsb planefence by kx1t - adsbexchange - planefence
ICAO: A8D4EF
Owner: UNITED AIRLINES
Flt: UAL567 N66841 B739 ORD-BOS
Time: 2026-01-02 12:19:52 EST
Min Alt: 9650 ft
Min Dist: 1.02 nm (25° NNE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa
ICAO: A8D4EF
Owner: UNITED AIRLINES
Flt: UAL1414 N66841 B739 BOS-ORD-SEA
Time: 2025-12-26 06:23:54 EST
Min Alt: 12175 ft
Min Dist: 1.3 nm (107° ESE)
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.
🇺🇸 N66841 - Boeing 737NG 924ER/W - United Airlines UAL2493/UA2493, Richmond (RIC) to Denver (DEN) - 4.3 mi away @ 36050 ft, heading W at 419 mph. Spotted 9x before! [08:53:50 AM CST] #A8D4EF #N66841 #B739 #UNITED #UAL2493 #UA2493 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N66841 - Boeing 737NG 924ER/W - United Airlines UAL277/UA277, Chicago O'Hare (ORD) to Austin-Bergstrom (AUS) - 4.6 mi away @ 37550 ft, heading SW at 499 mph. Spotted 8x before! [09:52:35 AM CDT] #A8D4EF #N66841 #B739 #UNITED #UAL277 #UA277 #ADSB #ADSBbot
Planefence ICAO: A8D4EF
Flt: UAL1734 UNITEDAIRLINES SAN - SFO
First seen: 2025-08-15 05:44:53 EDT
Min Alt: 3775 ft MSL
Min Dist: 0.56 nm
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Planefence ICAO: A8D4EF
Flt: UAL1734 UNITEDAIRLINES SAN - SFO
First seen: 2025-08-15 05:44:19 EDT
Min Alt: 2250 ft MSL
Min Dist: 0.06 mi
adsb planefence by kx1t - adsbexchange - planefence
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N66841 - Boeing 737NG 924ER/W - United Airlines UAL1239/UA1239 (SAV-ORD-ROC) - 4.4 mi away @ 36175 ft, heading NNE at 545 mph. Spotted 7x before! [12:23:19 PM CDT] #A8D4EF #N66841 #B739 #UNITED #UAL1239 #UA1239 #ADSB #ADSBbot
Planefence ICAO: A8D4EF
Flt: UAL655 UNITEDAIRLINES DEN - LAS
First seen: 2025-06-20 14:05:37 EDT
Min Alt: 2500 ft MSL
Min Dist: 0.28 mi
adsb planefence by kx1t - adsbexchange - planefence
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N66841 - Boeing 737NG 924ER/W - United Airlines UAL1504/UA1504, Chicago O'Hare (ORD) to San Antonio (SAT) - 4.3 mi away @ 35550 ft, heading SW at 462 mph. Spotted 6x before! [12:23:58 AM CDT] #A8D4EF #N66841 #B739 #UNITED #UAL1504 #UA1504 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N66841 - Boeing 737NG 924ER/W - United Airlines UAL2398/UA2398, Phoenix Sky Harbor (PHX) to Washington Dulles (IAD) - 4.4 mi away @ 35250 ft, heading E at 561 mph. Spotted 5x before! [01:26:50 PM CDT] #A8D4EF #N66841 #B739 #UNITED #UAL2398 #UA2398 #ADSB #ADSBbot
