ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4405 N437YX E75L LGA-BOS-#LGA
Time: 2026-03-18 13:17:17 EDT
Min Alt: 3375 ft
Min Dist: 0.3 mi (-139deg SW)
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ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4405 N437YX E75L LGA-BOS-#LGA
Time: 2026-03-18 13:17:43 EDT
Min Alt: 4275 ft
Min Dist: 1.5 nm (111deg ESE)
airplanes flightaware faa
ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4642 N437YX E75L CMH-BOS
Time: 2026-03-07 09:26:13 EST
Min Alt: 8500 ft
Min Dist: 0.99 nm (22deg NNE)
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ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4726 N437YX E75L IND-BOS
Time: 2026-02-24 22:13:19 EST
Min Alt: 9225 ft
Min Dist: 0.99 nm (19deg NNE)
Squawk: 6624
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ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4351 N437YX E75L ORD-AUS-#ORD
Time: 2026-02-16 20:02:17 EST
Min Alt: 8950 ft
Min Dist: 0.99 nm (20deg NNE)
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ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4726 N437YX E75L IND-BOS
Time: 2026-02-08 22:42:23 EST
Min Alt: 9050 ft
Min Dist: 0.99 nm (20deg NNE)
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ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4585 N437YX E75L BOS-IND
Time: 2026-02-08 18:02:34 EST
Min Alt: 5000 ft
Min Dist: 0.69 nm (120deg ESE)
airplanes flightaware faa
ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4585 N437YX E75L BOS-IND
Time: 2026-02-08 18:02:04 EST
Min Alt: 3750 ft
Min Dist: 0.3 mi (-94deg W)
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ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4340 N437YX E75L BOS-PHL
Time: 2026-02-08 13:58:22 EST
Min Alt: 4500 ft
Min Dist: 1.4 nm (119deg ESE)
airplanes flightaware faa
ICAO: A53F5B
Owner: REPUBLICAIRLINES
Flt: RPA4340 N437YX E75L BOS-PHL
Time: 2026-02-08 13:57:54 EST
Min Alt: 3700 ft
Min Dist: 0.3 mi (-134deg SW)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4585 N437YX E75L BOS-IND
Time: 2026-02-02 17:44:24 EST
Min Alt: 4975 ft
Min Dist: 1.06 nm (98° E)•airplanes•flightaware•faa
ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4585 N437YX E75L BOS-IND
Time: 2026-02-02 17:43:56 EST
Min Alt: 4000 ft
Min Dist: 0.04 mi (-33° NNW)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4340 N437YX E75L BOS-PHL
Time: 2026-02-02 13:45:00 EST
Min Alt: 4825 ft
Min Dist: 1.5 nm (116° ESE)•airplanes•flightaware•faa
ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4340 N437YX E75L BOS-PHL
Time: 2026-02-02 13:44:37 EST
Min Alt: 3850 ft
Min Dist: 0.5 mi (-107° WSW)
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N437YX - Embraer EMB-175 LR - American Eagle RPA4435/YX4435 (ORD-MEM-ORD) - 3.4 mi away @ 24875 ft, heading N at 490 mph. Spotted 27x before. [06:28:42 PM CST] #A53F5B #N437YX #E75L #BRICKYARD #RPA4435 #YX4435 #autopilot #ADSB #ADSBbot
ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4642 N437YX E75L CMH-BOS
Time: 2026-01-15 09:36:04 EST
Min Alt: 9150 ft
Min Dist: 0.99 nm (19° NNE)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4500 N437YX E75L BOS-STL
Time: 2026-01-10 06:52:55 EST
Min Alt: 10425 ft
Min Dist: 1.2 nm (85° E)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4582 N437YX E75L LGA-DCA (?)
Time: 2026-01-09 21:39:44 EST
Min Alt: 8250 ft
Min Dist: 0.99 nm (17° NNE)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4389 N437YX E75L LGA-DCA (?)
Time: 2026-01-08 13:21:24 EST
Min Alt: 8400 ft
Min Dist: 1.9 nm (26° NNE)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4650 N437YX E75L ORD-BOS
Time: 2026-01-07 23:02:11 EST
Min Alt: 9225 ft
Min Dist: 0.99 nm (21° NNE)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4458 N437YX E75L ORD-BOS
Time: 2025-12-30 11:10:56 EST
Min Alt: 9600 ft
Min Dist: 0.99 nm (21° NNE)
Squawk: 6227
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4649 N437YX E75L PIT-ORD (?)
Time: 2025-12-24 10:12:09 EST
Min Alt: 9100 ft
Min Dist: 1.7 nm (10° N)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4385 N437YX E75L PHL-CHS-PHL (?)
Time: 2025-12-11 16:14:53 EST
Min Alt: 9500 ft
Min Dist: 0.99 nm (25° NNE)
Loudness: 0 dB
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4615 N437YX E75L CVG-BOS
Time: 2025-12-08 23:01:54 EST
Min Alt: 8850 ft
Min Dist: 1.01 nm (29° NNE)
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ICAO: A53F5B
Owner: REPUBLIC AIRLINES
Flt: RPA4384 N437YX E75L ORD-BOS
Time: 2025-12-01 23:26:43 EST
Min Alt: 8800 ft
Min Dist: 1 nm (28° NNE)
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