ICAO: AACD50
Owner: UNITEDAIRLINES
Flt: UAL1755 N79521 B738 OKC-IAH-LAS
Time: 2026-03-09 19:15:54 EDT
Min Alt: 8075 ft
Min Dist: 0.99 nm (17deg NNE)
Squawk: 3557
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ICAO: AACD50
Owner: UNITED AIRLINES
Flt: UAL2040 N79521 B738 BOS-ORD
Time: 2026-01-29 16:31:48 EST
Min Alt: 4225 ft
Min Dist: 0.6 mi (102° ESE)
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ICAO: AACD50
Owner: UNITED AIRLINES
Flt: UAL399 N79521 B738 ORD-BOS
Time: 2026-01-29 13:59:51 EST
Min Alt: 9425 ft
Min Dist: 0.99 nm (24° NNE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa
ICAO: AACD50
Owner: UNITED AIRLINES
Flt: UAL399 N79521 B738 ORD-BOS
Time: 2026-01-29 13:59:51 EST
Min Alt: 9425 ft
Min Dist: 0.99 nm (24° NNE)
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.
🇺🇸 N79521 - Boeing 737NG 824/W - United Airlines UAL1615/UA1615, Denver (DEN) to Cincinnati/Northern Kentucky (CVG) - 4.5 mi away @ 39175 ft, heading ESE at 550 mph. Spotted 12x before. [08:22:14 PM CST] #AACD50 #N79521 #B738 #UNITED #UAL1615 #UA1615 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N79521 - Boeing 737NG 824/W - United Airlines UAL729/UA729 (CLE-ORD-DFW) - 5.2 mi away @ 39425 ft, heading SW at 499 mph. Spotted 11x before! [08:26:13 AM CDT] #AACD50 #N79521 #B738 #UNITED #UAL729 #UA729 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N79521 - Boeing 737NG 824/W - United Airlines UAL1758/UA1758, Norfolk (ORF) to Denver (DEN) - 4.5 mi away @ 38000 ft, heading W at 495 mph. Spotted 10x before! [08:50:31 AM CDT] #AACD50 #N79521 #B738 #UNITED #UAL1758 #UA1758 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N79521 - Boeing 737NG 824/W - United Airlines UAL1545/UA1545, Cleveland-Hopkins (CLE) to George Bush Intcntl/Houston (IAH) - 5.0 mi away @ 41875 ft, heading SW at 547 mph. Spotted 9x before! [06:35:41 PM CDT] #AACD50 #N79521 #B738 #UNITED #UAL1545 #UA1545 #ADSB #ADSBbot
Planefence ICAO: AACD50
Flt: UAL2136 UNITEDAIRLINES LAX - BOS
First seen: 2025-04-20 20:15:55 EDT
Min Alt: 3475 ft MSL
Min Dist: 0.04 mi
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Planefence ICAO: AACD50
Flt: UAL2081 UNITEDAIRLINES SFO - IAH
First seen: 2025-04-20 13:05:02 EDT
Min Alt: 3775 ft MSL
Min Dist: 0.07 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.
🇺🇸 N79521 - Boeing 737NG 824/W - United Airlines UAL729/UA729, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.5 mi away @ 38325 ft, heading SW at 474 mph. Spotted 8x before! [07:51:52 AM CST] #AACD50 #N79521 #B738 #UNITED #UAL729 #UA729 #ADSB #ADSBbot
