ICAO: A146F9
Owner: UNITED AIRLINES
Flt: UAL1355 N18112 B752 #
Time: 2026-01-20 06:13:47 EST
Min Alt: 14375 ft
Min Dist: 1.4 nm (64° ENE)
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ICAO: A0A8DF
Owner: UNITED AIRLINES
Flt: UAL1355 N14107 B752 BOS-SFO
Time: 2026-01-16 06:30:57 EST
Min Alt: 14900 ft
Min Dist: 1.2 nm (89° E)
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ICAO: A3C3E6
Owner: UNITED AIRLINES
Flt: UAL1355 N34137 B752 BOS-SFO
Time: 2026-01-11 07:20:50 EST
Min Alt: 11675 ft
Min Dist: 1.98 nm (85° E)
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ICAO: A0A903
Owner: UNITED AIRLINES
Flt: UAL1355 N14118 B752 BOS-SFO
Time: 2026-01-10 07:24:12 EST
Min Alt: 11625 ft
Min Dist: 1.2 nm (79° E)
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N37538 - Boeing 737MAX 9 - United Airlines UAL1355/UA1355, San Francisco (SFO) to Washington Dulles (IAD) - 4.8 mi away @ 34825 ft, heading E at 579 mph. Spotted 5x before! [04:35:37 PM CDT] #A44940 #N37538 #B39M #UNITED #UAL1355 #UA1355 #ADSB #ADSBbot

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

🇺🇸 N17583 - Boeing 737MAX 9 - United Airlines UAL1355/UA1355 (LAS-SFO-IAD) - 4.4 mi away @ 37025 ft, heading ESE at 535 mph. Spotted 2x before! [03:58:03 PM CDT] #A12F4C #N17583 #B39M #UNITED #UAL1355 #UA1355 #ADSB #ADSBbot

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

🇺🇸 N17303 - Boeing 737MAX 8 - United Airlines UAL1355/UA1355, San Francisco (SFO) to Raleigh-Durham (RDU) - 4.3 mi away @ 36000 ft, heading E at 520 mph. Spotted 9x before! [02:38:35 PM CDT] #A126C6 #N17303 #B38M #UNITED #UAL1355 #UA1355 #ADSB #ADSBbot