ICAO: A0B7FB
Owner: UNITEDAIRLINES
Flt: UAL1989 N14521 A21N SNA-ORD-BOS
Time: 2026-03-19 21:03:35 EDT
Min Alt: 8300 ft
Min Dist: 0.99 nm (24deg NNE)

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ICAO: A0B7FB
Owner: UNITEDAIRLINES
Flt: UAL597 N14521 A21N SLC-DEN-BOS
Time: 2026-03-09 19:31:34 EDT
Min Alt: 8250 ft
Min Dist: 1.01 nm (26deg NNE)
Squawk: 2267
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ICAO: A0B7FB
Owner: UNITED AIRLINES
Flt: UAL567 N14521 A21N DEN-BOS
Time: 2025-10-16 15:18:26 EDT
Min Alt: 9125 ft
Min Dist: 0.99 km (25° NNE)
Loudness: 0 dB
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ICAO: A0B7FB
Owner: UNITED AIRLINES
Flt: UAL597 N14521 A21N PHX-DEN-BOS
Time: 2025-10-08 21:03:17 EDT
Min Alt: 8625 ft
Min Dist: 1.1 km (46° NE)
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.

🇺🇸 N14521 - Airbus A321 271NXSL - United Airlines UAL1568/UA1568, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 3.8 mi away @ 29875 ft, heading SW at 535 mph. Spotted for first time! [06:47:20 PM CST] #A0B7FB #N14521 #A21N #UNITED #UAL1568 #UA1568 #ADSB #ADSBbot