Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N37535 - Boeing 737MAX 9 - United Airlines UAL1573/UA1573, Los Angeles (LAX) to Washington Dulles (IAD) - 4.5 mi away @ 35900 ft, heading E at 603 mph. Spotted 3x before. [09:45:31 PM CST] #A4493D #N37535 #B39M #UNITED #UAL1573 #UA1573 #ADSB #ADSBbot
ICAO: A4493D
Owner: UNITED AIRLINES
Flt: UAL1976 N37535 B39M BOS-IAH-PNS
Time: 2025-12-01 13:52:44 EST
Min Alt: 5975 ft
Min Dist: 6.3 nm (142° SE)
Loudness: 0 dB
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Planefence ICAO: A4493D
Flt: UAL1976 UNITEDAIRLINES BOS - IAH
First seen: 2025-12-01 13:51:39 EST
Min Alt: 3475 ft MSL
Min Dist: 0.55 nm
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Planefence ICAO: A4493D
Flt: UAL1976 UNITEDAIRLINES BOS - IAH
First seen: 2025-12-01 13:51:03 EST
Min Alt: 2075 ft MSL
Min Dist: 0.07 mi
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ICAO: A4493D
Owner: UNITED AIRLINES
Flt: UAL1977 N37535 B39M IAH-BOS
Time: 2025-12-01 11:59:24 EST
Min Alt: 9000 ft
Min Dist: 1.1 nm (48° NE)
Loudness: 0 dB
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ICAO: A4493D
Owner: UNITED AIRLINES
Flt: UAL1977 N37535 B39M IAH-BOS
Time: 2025-11-26 11:50:22 EST
Min Alt: 8525 ft
Min Dist: 0.99 nm (17° NNE)
Loudness: 0 dB
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Planefence ICAO: A4493D
Flt: UAL2136 UNITEDAIRLINES LAX - BOS
First seen: 2025-06-12 20:29:18 EDT
Min Alt: 2925 ft MSL
Min Dist: 0.05 mi
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Planefence ICAO: A4493D
Flt: UAL2136 UNITEDAIRLINES LAX - BOS
First seen: 2025-06-12 20:29:57 EDT
Min Alt: 4075 ft MSL
Min Dist: 0.69 nm
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Planefence ICAO: A4493D
Flt: UAL1187 UNITEDAIRLINES EWR - ATL
First seen: 2025-05-18 14:22:28 EDT
Min Alt: 2450 ft MSL
Min Dist: 0.29 mi
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