ICAO: A4493F
Owner: UNITEDAIRLINES
Flt: UAL2700 N37537 B39M ORD-BOS
Time: 2026-02-07 09:46:52 EST
Min Alt: 10200 ft
Min Dist: 1.1 nm (48deg NE)

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ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL1349 N37537 B39M BOS-ORD-MCO
Time: 2026-01-29 09:52:40 EST
Min Alt: 13475 ft
Min Dist: 1.2 nm (81° E)
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ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL1989 N37537 B39M PHX-ORD-BOS
Time: 2026-01-28 21:16:21 EST
Min Alt: 9750 ft
Min Dist: 1 nm (19° NNE)
Squawk: 6223

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ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL2104 N37537 B39M ORD-BOS
Time: 2025-10-19 09:20:18 EDT
Min Alt: 8275 ft
Min Dist: 1 km (23° NNE)
Squawk: 4131
Loudness: -1 dB
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ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL1783 N37537 B39M LAX-BOS
Time: 2025-10-14 20:34:55 EDT
Min Alt: 9650 ft
Min Dist: 1 km (24° NNE)
Loudness: 0 dB
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ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL2356 N37537 B39M LAS-SFO-BOS
Time: 2025-10-14 01:40:09 EDT
Min Alt: 9100 ft
Min Dist: 0.7 km (-92° W)
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.

🇺🇸 N37537 - Boeing 737MAX 9 - United Airlines UAL2400/UA2400, Denver (DEN) to St Louis Lambert (STL) - 3.2 mi away @ 8650 ft, heading E at 327 mph. Spotted 3x before! [09:30:27 PM CDT] #A4493F #N37537 #B39M #UNITED #UAL2400 #UA2400 #Landing #Arrival #ADSB #ADSBbot