ICAO: AC7A33
Owner: AMERICANAIRLINES
Flt: AAL2121 N9029F A319
Time: 2026-02-09 16:16:46 EST
Min Alt: 9050 ft
Min Dist: 1.1 nm (45deg NE)

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ICAO: AC75A5
Owner: AMERICANAIRLINES
Flt: AAL2121 N9013A A319 ORD-BOS
Time: 2026-02-08 16:34:33 EST
Min Alt: 9175 ft
Min Dist: 1.01 nm (23deg NNE)
Squawk: 3550
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ICAO: AC7A33
Owner: AMERICANAIRLINES
Flt: AAL2121 N9029F A319 ORD-BOS
Time: 2026-02-06 16:32:48 EST
Min Alt: 9575 ft
Min Dist: 1.1 nm (-9deg N)
Squawk: 3227
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ICAO: AC7216
Owner: AMERICANAIRLINES
Flt: AAL2121 N9004F A319 ORD-BOS
Time: 2026-02-05 16:15:46 EST
Min Alt: 9200 ft
Min Dist: 1.01 nm (27deg NNE)

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ICAO: AC791D
Owner: AMERICAN AIRLINES
Flt: AAL2121 N9021H A319 ORD-BOS
Time: 2026-02-01 16:57:30 EST
Min Alt: 9350 ft
Min Dist: 1.01 nm (25° NNE)
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ICAO: AC7A52
Owner: AMERICAN AIRLINES
Flt: AAL2121 N903AA A321 ORD-BOS
Time: 2026-01-30 23:01:50 EST
Min Alt: 8725 ft
Min Dist: 1.01 nm (28° NNE)
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ICAO: AAE465
Owner: AMERICAN AIRLINES
Flt: AAL2121 N8001N A319 ORD-BOS
Time: 2026-01-29 16:33:00 EST
Min Alt: 9200 ft
Min Dist: 1.01 nm (25° NNE)
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ICAO: A011AC
Owner: AMERICAN AIRLINES
Flt: AAL2121 N103US A320 ORD-BOS
Time: 2026-01-26 20:39:55 EST
Min Alt: 9400 ft
Min Dist: 1.2 nm (23° NNE)
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ICAO: AC767C
Owner: AMERICAN AIRLINES
Flt: AAL2121 N9019F A319 ORD-BOS
Time: 2026-01-23 20:58:38 EST
Min Alt: 8700 ft
Min Dist: 1.01 nm (22° NNE)
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ICAO: AAEF60
Owner: AMERICAN AIRLINES
Flt: AAL2121 N8030F A319 #
Time: 2026-01-19 16:30:15 EST
Min Alt: 7975 ft
Min Dist: 1.1 nm (47° NE)
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ICAO: A1804C
Owner: AMERICAN AIRLINES
Flt: AAL2121 N196UW A321 ORD-BOS
Time: 2026-01-18 16:08:25 EST
Min Alt: 9200 ft
Min Dist: 1 nm (23° NNE)
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ICAO: AAEF60
Owner: AMERICAN AIRLINES
Flt: AAL2121 N8030F A319 ORD-BOS
Time: 2026-01-16 16:51:50 EST
Min Alt: 9275 ft
Min Dist: 1 nm (24° NNE)
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ICAO: AC7256
Owner: AMERICAN AIRLINES
Flt: AAL2121 N9006 A319 ORD-BOS
Time: 2026-01-15 16:28:27 EST
Min Alt: 9100 ft
Min Dist: 0.9 nm (42° NE)
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ICAO: A63D42
Owner: AMERICAN AIRLINES
Flt: AAL2121 N5007E A319 ORD-BOS
Time: 2026-01-12 16:07:19 EST
Min Alt: 8000 ft
Min Dist: 1.1 nm (-10° N)
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ICAO: AC7658
Owner: AMERICAN AIRLINES
Flt: AAL2121 N9018E A319 ORD-BOS
Time: 2026-01-11 16:22:57 EST
Min Alt: 9475 ft
Min Dist: 1.01 nm (21° NNE)
Squawk: 7260

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ICAO: AC791D
Owner: AMERICAN AIRLINES
Flt: AAL2121 N9021H A319 ORD-BOS
Time: 2026-01-09 16:15:26 EST
Min Alt: 8075 ft
Min Dist: 2.2 nm (26° NNE)
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ICAO: A16A02
Owner: AMERICAN AIRLINES
Flt: AAL2121 N190UW A321 PHX-FAT (?)
Time: 2026-01-08 18:57:45 EST
Min Alt: 9050 ft
Min Dist: 0.98 nm (24° NNE)
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N967AN - Boeing 737NG 823/W - American Airlines AAL2121/AA2121, Kansas City (MCI) to Chicago O'Hare (ORD) - 4.1 mi away @ 37125 ft, heading E at 578 mph. Spotted 43x before! [06:17:45 AM CDT] #AD7634 #N967AN #B738 #AMERICAN #AAL2121 #AA2121 #ADSB #ADSBbot