ICAO: A2BB83
Owner: UNITEDAIRLINES
Flt: UAL2647 N27503 B39M LAX-SFO-BOS
Time: 2026-03-31 16:33:30 EDT
Min Alt: 10025 ft
Min Dist: 2.1 nm (-39deg NW)
Squawk: 3351
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ICAO: A2BB83
Owner: UNITED AIRLINES
Flt: UAL558 N27503 B39M DEN-BOS
Time: 2025-12-29 13:47:14 EST
Min Alt: 3825 ft
Min Dist: 4.1 nm (54° NE)
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ICAO: A2BB83
Owner: UNITED AIRLINES
Flt: UAL1346 N27503 B39M IAH-BOS
Time: 2025-12-28 19:05:07 EST
Min Alt: 8200 ft
Min Dist: 0.99 nm (22° NNE)
Squawk: 6715

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ICAO: A2BB83
Owner: UNITED AIRLINES
Flt: UAL1318 N27503 B39M PHX-IAH-BOS
Time: 2025-10-16 17:25:45 EDT
Min Alt: 9100 ft
Min Dist: 1.01 km (21° NNE)
Loudness: 0 dB
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ICAO: A2BB83
Owner: UNITED AIRLINES
Flt: UAL800 N27503 B39M IAH-BOS
Time: 2025-10-14 16:50:59 EDT
Min Alt: 5875 ft
Min Dist: 1.8 km (-52° NW)
Squawk: 7347
Loudness: 0 dB
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ICAO: A2BB83
Owner: UNITED AIRLINES
Flt: UAL800 N27503 B39M IAH-BOS
Time: 2025-10-14 16:36:43 EDT
Min Alt: 9000 ft
Min Dist: 0.92 km (23° NNE)
Loudness: 0 dB
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N27503 - Boeing 737MAX 9 - United Airlines UAL2483/UA2483 (ROC-ORD-IAH) - 3.6 mi away @ 26700 ft, heading SW at 532 mph. Spotted 9x before! [11:37:35 AM CDT] #A2BB83 #N27503 #B39M #UNITED #UAL2483 #UA2483 #ADSB #ADSBbot

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

🇺🇸 N27503 - Boeing 737MAX 9 - United Airlines UAL1155/UA1155, Newark Liberty (EWR) to Austin-Bergstrom (AUS) - 4.3 mi away @ 33400 ft, heading SW at 503 mph. Spotted 8x before! [03:03:08 PM CDT] #A2BB83 #N27503 #B39M #UNITED #UAL1155 #UA1155 #ADSB #ADSBbot