ICAO: A449CB
Owner: UNITEDAIRLINES
Flt: UAL1232 N37577 B39M SLC-DEN-BOS
Time: 2026-03-19 15:19:46 EDT
Min Alt: 9150 ft
Min Dist: 1.02 nm (16deg NNE)
Squawk: 3430
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ICAO: A449CB
Owner: UNITEDAIRLINES
Flt: UAL2067 N37577 B39M ORD-BOS
Time: 2026-02-25 10:22:28 EST
Min Alt: 9300 ft
Min Dist: 0.98 nm (18deg NNE)
Squawk: 1341
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N37577 - Boeing 737MAX 9 - United Airlines UAL795/UA795, Raleigh-Durham (RDU) to San Francisco (SFO) - 4.0 mi away @ 34200 ft, heading W at 456 mph. Spotted 7x before. [09:39:20 AM CST] #A449CB #N37577 #B39M #UNITED #UAL795 #UA795 #ADSB #ADSBbot
ICAO: A449CB
Owner: UNITED AIRLINES
Flt: UAL2067 N37577 B39M ORD-BOS
Time: 2026-01-09 10:21:16 EST
Min Alt: 9075 ft
Min Dist: 0.99 nm (21° NNE)
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Planefence ICAO: A449CB
Flt: UAL1732 UNITEDAIRLINES PHL - IAH
First seen: 2026-01-02 12:41:54 EST
Min Alt: 3025 ft MSL
Min Dist: 0.26 mi
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N37577 - Boeing 737MAX 9 - United Airlines UAL1672/UA1672, Cancun (CUN) to Chicago O'Hare (ORD) - 4.9 mi away @ 40225 ft, heading NNE at 497 mph. Spotted 6x before. [09:57:39 AM CST] #A449CB #N37577 #B39M #UNITED #UAL1672 #UA1672 #ADSB #ADSBbot
ICAO: A449CB
Owner: UNITED AIRLINES
Flt: UAL2356 N37577 B39M LAS-SFO-BOS
Time: 2025-12-01 18:59:51 EST
Min Alt: 9125 ft
Min Dist: 1.1 nm (47° NE)
Squawk: 3671
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ICAO: A449CB
Owner: UNITED AIRLINES
Flt: UAL1372 N37577 B39M SFO-BOS
Time: 2025-10-17 23:21:18 EDT
Min Alt: 9900 ft
Min Dist: 0.9 km (19° 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.
🇺🇸 N37577 - Boeing 737MAX 9 - United Airlines UAL311/UA311, General Edward Lawrence Logan (BOS) to Los Angeles (LAX) - 4.4 mi away @ 36175 ft, heading WSW at 552 mph. Spotted 5x before! [08:59:05 AM CDT] #A449CB #N37577 #B39M #UNITED #UAL311 #UA311 #ADSB #ADSBbot
Planefence ICAO: A449CB
Flt: UAL311 UNITEDAIRLINES BOS - LAX
First seen: 2025-06-25 07:54:49 EDT
Min Alt: 3050 ft MSL
Min Dist: 0.59 nm
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Planefence ICAO: A449CB
Flt: UAL311 UNITEDAIRLINES BOS - LAX
First seen: 2025-06-25 07:54:14 EDT
Min Alt: 1925 ft MSL
Min Dist: 0.08 mi
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N37577 - Boeing 737MAX 9 - United Airlines UAL2129/UA2129, San Diego (SAN) to Washington Dulles (IAD) - 4.9 mi away @ 38175 ft, heading NE at 579 mph. Spotted 4x before! [02:39:01 AM CDT] #A449CB #N37577 #B39M #UNITED #UAL2129 #UA2129 #ADSB #ADSBbot
Planefence ICAO: A449CB
Flt: UAL1434 UNITEDAIRLINES SFO - LAX
First seen: 2025-04-20 12:14:41 EDT
Min Alt: 2375 ft MSL
Min Dist: 0.32 mi
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Planefence ICAO: A449CB
Flt: UAL721 UNITEDAIRLINES EWR - MCO
First seen: 2025-03-08 15:22:19 EST
Min Alt: 3825 ft MSL
Min Dist: 0.07 mi
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Planefence ICAO: A449CB
Flt: UAL721 UNITEDAIRLINES EWR - MCO
First seen: 2025-03-07 14:54:21 EST
Min Alt: 4000 ft MSL
Min Dist: 0.04 mi
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