ICAO: A91536
Owner: UNITEDAIRLINES
Flt: UAL1977 N68453 B739 IAH-BOS
Time: 2026-03-21 11:48:51 EDT
Min Alt: 9125 ft
Min Dist: 1.01 nm (30deg NNE)
Squawk: 1442
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ICAO: A91536
Owner: UNITEDAIRLINES
Flt: UAL721 N68453 B739 BOS-IAD
Time: 2026-02-09 14:36:22 EST
Min Alt: 4950 ft
Min Dist: 1.95 nm (86deg E)

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ICAO: A91536
Owner: UNITEDAIRLINES
Flt: UAL721 N68453 B739 BOS-IAD
Time: 2026-02-09 14:36:07 EST
Min Alt: 4350 ft
Min Dist: 0.08 mi (-152deg SSW)

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ICAO: A91536
Owner: UNITED AIRLINES
Flt: UAL618 N68453 B739 ORD-BOS
Time: 2025-11-30 13:41:36 EST
Min Alt: 7800 ft
Min Dist: 1.01 nm (28° NNE)
Squawk: 6502
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.

🇺🇸 N68453 - Boeing 737NG 924ER/W - United Airlines UAL1667/UA1667, Cancun (CUN) to Chicago O'Hare (ORD) - 4.2 mi away @ 34550 ft, heading NNE at 507 mph. Spotted 3x before! [06:20:21 PM CDT] #A91536 #N68453 #B739 #UNITED #UAL1667 #UA1667 #ADSB #ADSBbot

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

🇺🇸 N68453 - Boeing 737NG 924ER/W - United Airlines UAL1667/UA1667, Cancun (CUN) to Chicago O'Hare (ORD) - 4.0 mi away @ 35350 ft, heading N at 475 mph. Spotted 2x before! [06:53:39 PM CST] #A91536 #N68453 #B739 #UNITED #UAL1667 #UA1667 #ADSB #ADSBbot