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#AA4440
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@kx1t-test.bsky.social
3 months ago
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ICAO: AA4440
Owner: UNITED AIRLINES
Flt: UAL915 N76021 B772 IAD-CDG
Time: 2026-01-04 19:07:51 EST
Min Alt: 35000 ft
Min Dist: 4.8 nm (130° SE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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@kx1t-test.bsky.social
4 months ago
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ICAO: AA4440
Owner: UNITED AIRLINES
Flt: UAL23 N76021 B772 EWR-DUB
Time: 2025-11-28 20:49:14 EST
Min Alt: 33000 ft
Min Dist: 9.4 nm (-59° WNW)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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@kx1t-test.bsky.social
4 months ago
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ICAO: AA4440
Owner: UNITED AIRLINES
Flt: UAL19 N76021 B772 EWR-MXP
Time: 2025-11-25 18:16:56 EST
Min Alt: 37025 ft
Min Dist: 6.57 nm (137° SE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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@abovebelmont.bsky.social
7 months ago
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Planefence ICAO: AA4440
Flt: UAL121 UNITEDAIRLINES BCN - EWR
First seen: 2025-09-06 15:02:59 EDT
Min Alt: 5000 ft MSL
Min Dist: 1.7 nm
adsb planefence by kx1t - airplanes.live - planefence

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Flying Low Above Medford, MA
Flying Low Above Medford, MA
@abovemedford.bsky.social
7 months ago
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Planefence ICAO: AA4440
Flt: UAL121 UNITEDAIRLINES BCN - EWR
First seen: 2025-09-06 15:03:13 EDT
Min Alt: 5000 ft MSL
Min Dist: 1.11 mi
adsb planefence by kx1t - adsbexchange - planefence

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Above St. Louis
Above St. Louis
@abovestlouis.com
8 months ago
Map of the St. Louis area showing the position and track of the aircraft described in the post.

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

🇺🇸 N76021 - Boeing 777 224ER - United Airlines UAL4/UA4, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.6 mi away @ 37825 ft, heading SSW at 607 mph. Spotted 14x before! [04:21:14 PM CDT] #AA4440 #N76021 #B772 #UNITED #UAL4 #UA4 #ADSB #ADSBbot

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Above St. Louis
Above St. Louis
@abovestlouis.com
8 months ago
Map of the St. Louis area showing the position and track of the aircraft described in the post.

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

🇺🇸 N76021 - Boeing 777 224ER - United Airlines UAL4/UA4, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 5.0 mi away @ 40400 ft, heading SSW at 551 mph. Spotted 13x before! [04:36:42 PM CDT] #AA4440 #N76021 #B772 #UNITED #UAL4 #UA4 #ADSB #ADSBbot

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Above St. Louis
Above St. Louis
@abovestlouis.com
9 months ago
Map of the St. Louis area showing the position and track of the aircraft described in the post.

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

🇺🇸 N76021 - Boeing 777 224ER - United Airlines UAL879/UA879, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 5.0 mi away @ 42250 ft, heading SSW at 594 mph. Spotted 12x before! [12:23:59 PM CDT] #AA4440 #N76021 #B772 #UNITED #UAL879 #UA879 #ADSB #ADSBbot

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