ICAO: A4491C
Owner: UNITEDAIRLINES
Flt: UAL2279 N37527 B39M EWR-BOS-SFO-SEA
Time: 2026-03-02 11:17:01 EST
Min Alt: 2125 ft
Min Dist: 0.3 mi (60deg ENE)
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ICAO: A4491C
Owner: UNITEDAIRLINES
Flt: UAL1665 N37527 B39M ATL-SFO-BOS
Time: 2026-03-02 07:22:00 EST
Min Alt: 8675 ft
Min Dist: 1.01 nm (20deg NNE)
Squawk: 3275
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Planefence ICAO: A4491C
Flt: UAL2279 UNITEDAIRLINES EWR - MSY
First seen: 2025-12-30 11:10:15 EST
Min Alt: 2750 ft MSL
Min Dist: 0.19 mi
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ICAO: A4491C
Owner: UNITED AIRLINES
Flt: UAL1665 N37527 B39M SFO-BOS
Time: 2025-12-30 07:44:19 EST
Min Alt: 9825 ft
Min Dist: 0.99 nm (21° NNE)
Squawk: 6323
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Planefence ICAO: A4491C
Flt: UAL2297 UNITEDAIRLINES EWR - LAS
First seen: 2025-12-22 15:27:41 EST
Min Alt: 3675 ft MSL
Min Dist: 0.64 nm
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ICAO: A4491C
Owner: UNITED AIRLINES
Flt: UAL558 N37527 B39M DEN-BOS
Time: 2025-12-22 13:16:04 EST
Min Alt: 9525 ft
Min Dist: 0.98 nm (21° NNE)
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ICAO: A4491C
Owner: UNITED AIRLINES
Flt: UAL558 N37527 B39M DEN-BOS
Time: 2025-10-20 13:22:00 EDT
Min Alt: 9525 ft
Min Dist: 7.01 km (-16° NNW)
Loudness: 0 dB
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ICAO: A4491C
Owner: UNITED AIRLINES
Flt: UAL2210 N37527 B39M LAX-BOS
Time: 2025-10-15 07:04:20 EDT
Min Alt: 9525 ft
Min Dist: 1.01 km (27° NNE)
Loudness: -1 dB
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Planefence ICAO: A4491C
Flt: UAL1045 UNITEDAIRLINES DEN - IAD
First seen: 2025-07-09 01:11:26 EDT
Min Alt: 1050 ft MSL
Min Dist: 1.06 mi
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Planefence ICAO: A4491C
Flt: UAL333 UNITEDAIRLINES BOS - LAX
First seen: 2025-06-24 18:55:09 EDT
Min Alt: 1800 ft MSL
Min Dist: 0.24 mi
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N37527 - Boeing 737MAX 9 - United Airlines UAL2620/UA2620 (MSO-ORD-IAH) - 4.4 mi away @ 35975 ft, heading SW at 540 mph. Spotted 3x before! [09:21:20 PM CDT] #A4491C #N37527 #B39M #UNITED #UAL2620 #UA2620 #ADSB #ADSBbot
Planefence ICAO: A4491C
Flt: UAL311 UNITEDAIRLINES BOS - LAX
First seen: 2025-05-30 07:56:04 EDT
Min Alt: 2050 ft MSL
Min Dist: 0.3 mi
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Planefence ICAO: A4491C
Flt: UAL1897 UNITEDAIRLINES LAX - ORD
First seen: 2025-05-19 19:10:24 EDT
Min Alt: 4725 ft MSL
Min Dist: 1.69 nm
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Planefence ICAO: A4491C
Flt: UAL1897 UNITEDAIRLINES LAX - ORD
First seen: 2025-05-19 19:09:51 EDT
Min Alt: 3475 ft MSL
Min Dist: 0.38 mi
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Planefence ICAO: A4491C
Flt: UAL1008 UNITEDAIRLINES BOS - SFO
First seen: 2025-05-10 08:15:32 EDT
Min Alt: 2300 ft MSL
Min Dist: 0.3 mi
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Planefence ICAO: A4491C
Flt: UAL333 UNITEDAIRLINES BOS - LAX
First seen: 2025-04-23 18:51:26 EDT
Min Alt: 1850 ft MSL
Min Dist: 0.09 mi
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Planefence ICAO: A4491C
Flt: UAL333 UNITEDAIRLINES BOS - LAX
First seen: 2025-04-23 18:52:02 EDT
Min Alt: 3250 ft MSL
Min Dist: 0.56 nm
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Planefence ICAO: A4491C
Flt: UAL1008 UNITEDAIRLINES BOS - SFO
First seen: 2025-04-04 08:18:53 EDT
Min Alt: 2350 ft MSL
Min Dist: 0.28 mi
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Planefence ICAO: A4491C
Flt: UAL800 UNITEDAIRLINES EWR - MCO
First seen: 2025/01/17 17:07:29
Min Alt: 3550 ft MSL
Min Dist: 0.6 nm
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