ICAO: A613E0
Owner: ALASKAAIRLINES
Flt: ASA460 N491AS B739 SEA-BOS
Time: 2026-03-24 23:04:49 EDT
Min Alt: 8875 ft
Min Dist: 0.99 nm (20deg NNE)
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ICAO: A613E0
Owner: ALASKAAIRLINES
Flt: ASA358 N491AS B739 PDX-BOS
Time: 2026-02-15 15:04:37 EST
Min Alt: 9300 ft
Min Dist: 1 nm (24deg NNE)
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ICAO: A613E0
Owner: ALASKAAIRLINES
Flt: ASA309 N491AS B739 BOS-SEA
Time: 2026-02-09 19:10:01 EST
Min Alt: 2775 ft
Min Dist: 0.8 mi (106deg ESE)
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ICAO: A613E0
Owner: ALASKAAIRLINES
Flt: ASA390 N491AS B739
Time: 2026-02-09 17:15:49 EST
Min Alt: 9375 ft
Min Dist: 0.99 nm (20deg NNE)
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ICAO: A613E0
Owner: ALASKAAIRLINES
Flt: ASA460 N491AS B739 SEA-BOS
Time: 2026-02-06 23:47:43 EST
Min Alt: 10125 ft
Min Dist: 0.91 nm (28deg NNE)
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ICAO: A613E0
Owner: ALASKA AIRLINES
Flt: ASA459 N491AS B739 BOS-SEA
Time: 2026-01-24 07:41:10 EST
Min Alt: 2675 ft
Min Dist: 0.3 mi (68° ENE)
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ICAO: A613E0
Owner: ALASKA AIRLINES
Flt: ASA460 N491AS B739 SEA-BOS
Time: 2026-01-23 23:19:43 EST
Min Alt: 8400 ft
Min Dist: 1.01 nm (17° NNE)
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ICAO: A613E0
Owner: ALASKA AIRLINES
Flt: ASA1457 N491AS B739 SAN-BOS
Time: 2025-12-23 04:19:10 EST
Min Alt: 8875 ft
Min Dist: 1.7 nm (52° NE)
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ICAO: A613E0
Owner: ALASKA AIRLINES
Flt: ASA356 N491AS B739 SFO-BOS
Time: 2025-12-01 16:08:34 EST
Min Alt: 9075 ft
Min Dist: 1.01 nm (27° NNE)
Loudness: 0 dB
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ICAO: A613E0
Owner: ALASKA AIRLINES
Flt: ASA1319 N491AS B739 BOS-PDX
Time: 2025-12-01 17:58:08 EST
Min Alt: 5825 ft
Min Dist: 6.6 nm (80° E)
Loudness: -1 dB
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ICAO: A613E0
Owner: ALASKA AIRLINES
Flt: ASA306 N491AS B739 SEA-BOS
Time: 2025-10-15 16:14:40 EDT
Min Alt: 9625 ft
Min Dist: 1 km (25° NNE)
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.
🇺🇸 N491AS - Boeing 737NG 990ER/W - Alaska Airlines ASA291/AS291 (SEA-STL-SEA) - 3.5 mi away @ 13450 ft, heading NW at 425 mph. Spotted 7x before! [07:06:13 PM CDT] #A613E0 #N491AS #B739 #ALASKA #ASA291 #AS291 #TakingOff #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N491AS - Boeing 737NG 990ER/W - Alaska Airlines ASA291/AS291 (STL-PDX-SMF) - 3.7 mi away @ 13550 ft, heading NW at 411 mph. Spotted 6x before! [08:05:22 PM CDT] #A613E0 #N491AS #B739 #ALASKA #ASA291 #AS291 #TakingOff #ADSB #ADSBbot
