ICAO: A44983
Owner: UNITEDAIRLINES
Flt: UAL503 N37555 B39M BOS-ORD
Time: 2026-03-24 11:14:33 EDT
Min Alt: 15950 ft
Min Dist: 1.2 nm (90deg E)

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ICAO: A44983
Owner: UNITEDAIRLINES
Flt: UAL1074 N37555 B39M BOS-SFO
Time: 2026-03-18 11:22:16 EDT
Min Alt: 6400 ft
Min Dist: 3.3 nm (104deg ESE)

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ICAO: A44983
Owner: UNITEDAIRLINES
Flt: UAL1074 N37555 B39M BOS-SFO
Time: 2026-03-18 11:21:07 EDT
Min Alt: 3850 ft
Min Dist: 0.6 nm (82deg E)

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ICAO: A44983
Owner: UNITEDAIRLINES
Flt: UAL1074 N37555 B39M BOS-SFO
Time: 2026-03-18 11:20:23 EDT
Min Alt: 2400 ft
Min Dist: 0.6 mi (135deg SE)

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ICAO: A44983
Owner: UNITEDAIRLINES
Flt: UAL2701 N37555 B39M
Time: 2026-02-09 18:19:21 EST
Min Alt: 9600 ft
Min Dist: 1.04 nm (-4deg N)

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ICAO: A44983
Owner: UNITED AIRLINES
Flt: UAL2104 N37555 B39M ORD-BOS
Time: 2025-10-18 09:36:10 EDT
Min Alt: 9450 ft
Min Dist: 1.01 km (31° NNE)
Loudness: 1 dB
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N37555 - Boeing 737MAX 9 - United Airlines UAL2110/UA2110 (STL-SFO-SEA) - 3.3 mi away @ 11300 ft, heading WNW at 384 mph. Spotted once before! [06:08:33 PM CDT] #A44983 #N37555 #B39M #UNITED #UAL2110 #UA2110 #Landing #ADSB #ADSBbot

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

🇺🇸 N37555 - Boeing 737MAX 9 - United Airlines UAL516/UA516 (ATL-ORD-DFW) - 4.4 mi away @ 35925 ft, heading SW at 514 mph. Spotted for first time! [11:13:49 PM CDT] #A44983 #N37555 #B39M #UNITED #UAL516 #UA516 #ADSB #ADSBbot