#N76021
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kx1t-test.bsky.social
ICAO: #AA4440
Owner: #UNITEDAIRLINES
Flt: #UAL19 #N76021 #B772 #EWR-#MXP
Time: 2026-05-02 18:09:07 EDT
Min Alt: 31000 ft
Min Dist: 1.5 nm (-72deg WNW)

#dev #adsb #planefence by kx1t - sdr-e airplanes flightaware faa
May 2, 2026 at 10:15 PM
abovearth.bsky.social
ICAO: #AA4440
Owner: #UNITEDAIRLINES
Flt: #UAL983 #N76021 #B772 #ATH-#IAD
Time: 2026-09-02 13:24:09 CEST
Min Alt: 10357 m
Min Dist: 1.9 km (-0deg N)
Squawk: #7530
#adsb #planefence by kx1t sdr-e airplanes flightaware faa
September 2, 2026 at 11:29 AM
spotterintel.bsky.social
Diversion: UA44 reroutes to Paris.
United Airlines UA44 | Boeing 777-200 (N76021)
SFO → ZRH
Diverted en route and landed at CDG.
Landed 09:09 UTC · 17 Aug
Reason not yet confirmed.
August 17, 2026 at 4:02 PM
aboveedxw.de
#UAL195: United Airlines (#Boeing 777 224ER • N76021)
8.3 km out at 30000 ft - heading NW with 1032.3 km/h. MUC ➜ YHZ
https://globe.adsb.fi/?icao=AA4440
https://www.jetphotos.com/photo/keyword/N76021
4155 • 13:10:54
#GWT #EDXW #adsb
Map image with captured plane. Picture of captured plane.
February 16, 2026 at 12:12 PM
aboveedxw.de
#UAL45: United Airlines (#Boeing 777 224ER • N76021)
9.8 km out at 26000 ft - heading N with 963.1 km/h. ZRH ➜ SFO
https://globe.adsb.fi/?icao=AA4440
https://www.jetphotos.com/photo/keyword/N76021
3037 • 15:21:48
#GWT #EDXW #adsb
Map image with captured plane. Picture of captured plane.
October 3, 2025 at 1:23 PM
aboveedxw.de
#UAL195: United Airlines (#Boeing 777 224ER • N76021)
8.2 km out at 32000 ft - heading NW with 1012.5 km/h. MUC ➜ YHZ
https://globe.adsb.fi/?icao=AA4440
https://www.jetphotos.com/photo/keyword/N76021
6672 • 13:06:29
#GWT #EDXW #adsb
Map image with captured plane. Picture of captured plane.
July 26, 2025 at 11:07 AM
aboveedxw.de
#UAL163: United Airlines (#Boeing 777 224ER • N76021)
14.0 km out at 36000 ft - heading NW with 1027.4 km/h. DXB ➜ EWR
https://globe.adsb.fi/?icao=AA4440
https://www.jetphotos.com/photo/keyword/N76021
0541 • 07:23:52
#GWT #EDXW #adsb
Map image with captured plane. Picture of captured plane.
January 31, 2025 at 6:25 AM
aboveedxw.de
#UAL195: United Airlines (#Boeing 777 224ER • N76021)
17.0 km out at 34000 ft - heading NW with 1037.2 km/h. MUC ➜ SFO
https://globe.adsbexchange.com/?icao=AA4440
https://www.jetphotos.com/photo/keyword/N76021
6672 • 13:07:21
#GWT #EDXW #adsb
Map image with captured plane Picture of captured plane
September 6, 2023 at 1:08 PM
ftsaskairspace.bsky.social
Aircraft detected to the WNW!
United Airlines flight #UAL672 from San Francisco Int'l to Barcelona Int'l
Aircraft: Boeing 777 224ER
Tail # N76021
Speed: 930.4 km/h tracking NE
Alt: 33000 ft
June 10, 2026 at 3:34 AM
ftsaskairspace.bsky.social
Aircraft detected to the NW!
United Airlines flight #UAL804 from Tokyo Int'l (Haneda) to Washington Dulles Intl
Aircraft: Boeing 777 224ER
Tail # N76021
Speed: 1006.4 km/h tracking ESE
Alt: 37000 ft
July 14, 2025 at 3:52 PM
kx1t-test.bsky.social
ICAO: #AA4440
Owner: #UNITEDAIRLINES
Flt: #UAL884 #N76021 #B772 #IAD-#FCO
Time: 2026-05-15 18:55:11 EDT
Min Alt: 37000 ft
Min Dist: 3.5 nm (-59deg WNW)
Squawk: #3710
#dev #adsb #planefence by kx1t - sdr-e airplanes flightaware faa
May 15, 2026 at 11:07 PM
kx1t-test.bsky.social
#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
January 5, 2026 at 12:16 AM
kx1t-test.bsky.social
#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
November 29, 2025 at 1:59 AM
kx1t-test.bsky.social
#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
November 25, 2025 at 11:32 PM
ke0opr.bsky.social
ICAO: #AA4440
Owner: #UNITEDAIRLINES
Flt: #UAL1777 #N76021 #B772
Time: 2026-06-17 10:17:41 CDT
Min Alt: 30000 ft
Min Dist: 74.8 nm (5deg N)
Squawk: #3042
#adsb #planefence by kx1t sdr-e adsbexchange flightaware faa
June 17, 2026 at 3:45 PM
flights.sigingstone.uk
UAL918: IAD (Washington) to LHR (London). Aircraft: N76021/B772, 0.6miles away @ 28225ft, heading E @ 545.5mi/h, -1408ft/min, at 05:53:24UK#UAL918 View_on_FR24#AfterHours#UpInTheClouds#FlyingFast#AboveSigingstone#ADSB
Map of aircraft tracking above Sigingstone
June 8, 2025 at 4:53 AM
abovestlouis.com
🇺🇸 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
Map of the St. Louis area showing the position and track of the aircraft described in the post.
August 5, 2025 at 9:21 PM
abovestlouis.com
🇺🇸 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
Map of the St. Louis area showing the position and track of the aircraft described in the post.
July 20, 2025 at 9:36 PM
abovestlouis.com
🇺🇸 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
Map of the St. Louis area showing the position and track of the aircraft described in the post.
July 4, 2025 at 5:24 PM