ICAO: A2BBF2
Owner: UNITEDAIRLINES
Flt: UAL1783 N27539 B39M LAX-BOS
Time: 2026-03-30 16:13:06 EDT
Min Alt: 8625 ft
Min Dist: 0.99 nm (21deg NNE)
Squawk: 7675
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ICAO: A2BBF2
Owner: UNITEDAIRLINES
Flt: UAL1783 N27539 B39M LAX-BOS
Time: 2026-03-30 16:13:06 EDT
Min Alt: 8625 ft
Min Dist: 0.99 nm (21deg NNE)
Squawk: 7675
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ICAO: A2BBF2
Owner: UNITEDAIRLINES
Flt: UAL1507 N27539 B39M IAH-BOS
Time: 2026-02-15 17:53:46 EST
Min Alt: 9250 ft
Min Dist: 1.01 nm (32deg NNE)
Squawk: 6746
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ICAO: A2BBF2
Owner: UNITEDAIRLINES
Flt: UAL1349 N27539 B39M BOS-ORD-MCO
Time: 2026-02-03 09:42:19 EST
Min Alt: 14275 ft
Min Dist: 1.2 nm (77deg ENE)
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ICAO: A2BBF2
Owner: UNITEDAIRLINES
Flt: UAL1989 N27539 B39M PHX-ORD-BOS
Time: 2026-02-02 23:07:54 EST
Min Alt: 9675 ft
Min Dist: 1.01 nm (29deg NNE)
Squawk: 7226
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ICAO: A2BBF2
Owner: UNITED AIRLINES
Flt: UAL2106 N27539 B39M MIA-ORD-BOS
Time: 2026-01-06 00:15:40 EST
Min Alt: 9350 ft
Min Dist: 1.01 nm (30° NNE)
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ICAO: A2BBF2
Owner: UNITED AIRLINES
Flt: UAL2656 N27539 B39M DEN-BOS
Time: 2025-12-22 05:10:24 EST
Min Alt: 8825 ft
Min Dist: 0.99 nm (24° NNE)
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ICAO: A2BBF2
Owner: UNITED AIRLINES
Flt: UAL2356 N27539 B39M LAS-SFO-BOS
Time: 2025-10-15 20:19:28 EDT
Min Alt: 9375 ft
Min Dist: 1.1 km (48° NE)
Loudness: 0 dB
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Planefence ICAO: A2BBF2
Flt: UAL2400 UNITEDAIRLINES BOS - SFO
First seen: 2025-05-24 18:23:37 EDT
Min Alt: 2275 ft MSL
Min Dist: 0.2 mi
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Planefence ICAO: A2BBF2
Flt: UAL2178 UNITEDAIRLINES QRO - IAH
First seen: 2025-05-03 18:13:55 EDT
Min Alt: 4075 ft MSL
Min Dist: 0.09 mi
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Planefence ICAO: A2BBF2
Flt: UAL1718 UNITEDAIRLINES LAS - LAX
First seen: 2025-04-06 16:05:11 EDT
Min Alt: 4275 ft MSL
Min Dist: 1.45 nm
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Planefence ICAO: A2BBF2
Flt: UAL1718 UNITEDAIRLINES LAS - LAX
First seen: 2025-04-06 16:04:36 EDT
Min Alt: 3050 ft MSL
Min Dist: 0.22 mi
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Planefence ICAO: A2BBF2
Flt: UAL2454 UNITEDAIRLINES ORD - LGA
First seen: 2025-03-28 14:43:49 EDT
Min Alt: 4475 ft MSL
Min Dist: 1.55 nm
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Planefence ICAO: A2BBF2
Flt: UAL2454 UNITEDAIRLINES ORD - LGA
First seen: 2025-03-28 14:43:10 EDT
Min Alt: 2850 ft MSL
Min Dist: 0.27 mi
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N27539 - Boeing 737MAX 9 - United Airlines UAL2400/UA2400, Denver (DEN) to St Louis Lambert (STL) - 3.4 mi away @ 8575 ft, heading E at 355 mph. Spotted 6x before! [09:39:34 PM CDT] #A2BBF2 #N27539 #B39M #UNITED #UAL2400 #UA2400 #Landing #Arrival #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N27539 - Boeing 737MAX 9 - United Airlines UAL2665/UA2665 (SAN-ORD-IAH) - 4.0 mi away @ 31250 ft, heading SW at 513 mph. Spotted 4x before! [10:51:41 PM CST] #A2BBF2 #N27539 #B39M #UNITED #UAL2665 #UA2665 #ADSB #ADSBbot
