#A25B3F
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kx1t-test.bsky.social
ICAO: #A25B3F
Owner: #ALASKAAIRLINES
Flt: #ASA460 #N251AK #B739 #SEA-#BOS
Time: 2026-04-08 23:15:35 EDT
Min Alt: 7850 ft
Min Dist: 1.01 nm (13deg NNE)

#dev #adsb #planefence by kx1t - sdr-e airplanes flightaware faa
April 9, 2026 at 3:22 AM
abovestlouis.com
🇺🇸 N251AK - Boeing 737NG 990ER/W - Alaska Airlines ASA27/AS27, John F Kennedy (JFK) to San Francisco (SFO) - 5.4 mi away @ 36325 ft, heading WNW at 513 mph. Spotted 16x before. [07:49:24 PM CDT] #A25B3F #N251AK #B739 #ALASKA #ASA27 #AS27 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
September 17, 2026 at 12:50 AM
ke0opr.bsky.social
ICAO: #A25B3F
Owner: #ALASKAAIRLINES
Flt: #ASA490 #N251AK #B739 #PDX-#MCI
Time: 2026-09-08 12:04:17 CDT
Min Alt: 23875 ft
Min Dist: 145.24 nm (18deg NNE)
Squawk: #1503
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September 8, 2026 at 5:11 PM
aboveayer.bsky.social
#Planefence ICAO: A25B3F
Flt: ASA358 #ALASKAAIRLINES #PDX - #BOS
First seen: 2026-08-22 14:58:55 EDT
Min Alt: 11575 ft MSL
Min Dist: 1.86 mi
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August 22, 2026 at 7:04 PM
abovestlouis.com
🇺🇸 N251AK - Boeing 737NG 990ER/W - Alaska Airlines ASA1538/AS1538, St Louis Lambert (STL) to Portland (PDX) - 3.4 mi away @ 7575 ft, heading WNW at 316 mph. Spotted 15x before. [05:49:26 PM CDT] #A25B3F #N251AK #B739 #ALASKA #ASA1538 #AS1538 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
July 27, 2026 at 10:49 PM
abovestlouis.com
🇺🇸 N251AK - Boeing 737NG 990ER/W - Alaska Airlines ASA1635/AS1635, Portland (PDX) to St Louis Lambert (STL) - 3.4 mi away @ 8700 ft, heading E at 334 mph. Spotted 14x before. [04:14:02 PM CDT] #A25B3F #N251AK #B739 #ALASKA #ASA1635 #AS1635 #Landing #Arrival #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
July 27, 2026 at 9:14 PM
ke0opr.bsky.social
ICAO: #A25B3F
Owner: #ALASKAAIRLINES
Flt: #ASA553 #N251AK #B739 #SEA-#OKC
Time: 2026-07-20 00:06:33 CDT
Min Alt: 29525 ft
Min Dist: 103.5 nm (-130deg SW)
Squawk: #1606
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July 20, 2026 at 5:20 AM
ke0opr.bsky.social
ICAO: #A25B3F
Owner: #ALASKAAIRLINES
Flt: #ASA405 #N251AK #B739 #SEA-#OKC-#SEA
Time: 2026-07-15 13:34:55 CDT
Min Alt: 26775 ft
Min Dist: 134.69 nm (-135deg SW)

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July 15, 2026 at 6:41 PM
abovestlouis.com
🇺🇸 N251AK - Boeing 737NG 990ER/W - Alaska Airlines ASA647/AS647 (SEA-STL-SEA) - 3.4 mi away @ 8375 ft, heading WSW at 299 mph. Spotted 13x before. [09:06:16 PM CDT] #A25B3F #N251AK #B739 #ALASKA #ASA647 #AS647 #TakingOff #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
July 11, 2026 at 2:06 AM
abovestlouis.com
🇺🇸 N251AK - Boeing 737NG 990ER/W - Alaska Airlines ASA647/AS647, Seattle-Tacoma (SEA) to St Louis Lambert (STL) - 6.7 mi away @ 8275 ft, heading ESE at 331 mph. Spotted 12x before. [06:32:39 PM CDT] #A25B3F #N251AK #B739 #ALASKA #ASA647 #AS647 #Landing #Arrival #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
July 10, 2026 at 11:32 PM
kx1t-test.bsky.social
#ICAO: #A25B3F
Owner: #ALASKA AIRLINES
Flt: #ASA306 #N251AK #B739 #SEA-BOS-SEA
Time: 2025-12-09 16:38:51 EST
Min Alt: 9725 ft
Min Dist: 1.01 nm (25° NNE)
Loudness: 1 dB
#dev #adsb #planefence by kx1t -•sdr-e•airplanes•flightaware•faa
December 9, 2025 at 9:48 PM
kx1t-test.bsky.social
#ICAO: #A25B3F
Owner: #ALASKA AIRLINES
Flt: #ASA249 #N251AK #B739 #SFO-BOS
Time: 2025-10-19 15:29:02 EDT
Min Alt: 10200 ft
Min Dist: 6.88 km (-65° WNW)
Loudness: -1 dB
#dev #adsb #planefence by kx1t -•sdr-e•airplanes•flightaware•faa
October 20, 2025 at 1:39 AM
kx1t-test.bsky.social
#ICAO: #A25B3F
Owner: #ALASKA AIRLINES
Flt: #ASA249 #N251AK #B739 #SFO-BOS
Time: 2025-10-19 15:34:09 EDT
Min Alt: 5925 ft
Min Dist: 2.3 km (77° ENE)
Loudness: -1 dB
#dev #adsb #planefence by kx1t -•sdr-e•airplanes•flightaware•faa
October 20, 2025 at 1:32 AM
kx1t-test.bsky.social
#ICAO: #A25B3F
Owner: #ALASKA AIRLINES
Flt: #ASA249 #N251AK #B739 #SFO-BOS
Time: 2025-10-19 15:34:14 EDT
Min Alt: 5925 ft
Min Dist: 2.53 km (82° E)
Loudness: 0 dB
#dev #adsb #planefence by kx1t -•sdr-e•airplanes•flightaware•faa
October 19, 2025 at 7:52 PM
kx1t-test.bsky.social
#ICAO: #A25B3F
Owner: #ALASKA AIRLINES
Flt: #ASA249 #N251AK #B739 #SFO-BOS
Time: 2025-10-12 17:21:00 EDT
Min Alt: 5750 ft
Min Dist: 9.5 km (62° ENE)
Loudness: 0 dB
#dev #adsb #planefence by kx1t -•sdr-e•airplanes•flightaware•faa
October 12, 2025 at 9:31 PM
ke0opr.bsky.social
ICAO: #A25B3F
Owner: #ALASKAAIRLINES
Flt: #N251AK #B739
Time: 2026-06-17 12:30:37 CDT
Min Alt: 23000 ft
Min Dist: 145.82 nm (25deg NNE)

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June 17, 2026 at 5:36 PM
abovemedford.bsky.social
ICAO: #A25B3F
Owner: #ALASKAAIRLINES
Flt: #ASA1337 #N251AK #B739 #BOS-#SEA
Time: 2026-06-16 19:58:42 EDT
Min Alt: 2700 ft
Min Dist: 0.6 mi (-5deg N)

#adsb <a href="/hashtag/planefence" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link">#planefence by kx1t - planefence adsbexchange flightaware faa
June 17, 2026 at 12:13 AM
abovemedford.bsky.social
#Planefence ICAO: #A25B3F
Flt: #ASA459 #ALASKAAIRLINES #BOS - #SEA
First seen: 2025-08-31 07:31:00 EDT
Min Alt: 1775 ft MSL
Min Dist: 0.32 mi
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August 31, 2025 at 11:32 AM
abovemedford.bsky.social
#Planefence ICAO: #A25B3F
Flt: #ASA548 #ALASKAAIRLINES #MZT - #SFO
First seen: 2025-05-24 20:06:17 EDT
Min Alt: 2350 ft MSL
Min Dist: 0.38 mi
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May 25, 2025 at 12:08 AM
abovemedford.bsky.social
#Planefence ICAO: #A25B3F
Flt: #ASA389 #ALASKAAIRLINES #SAN - #SJC
First seen: 2025-03-08 16:44:24 EST
Min Alt: 3200 ft MSL
Min Dist: 0.26 mi
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March 8, 2025 at 9:46 PM
aboveayer.bsky.social
#Planefence ICAO: A25B3F
Flt: ASA306 #ALASKAAIRLINES #PDX - #SFO
First seen: 2026-06-26 16:33:34 EDT
Min Alt: 13575 ft MSL
Min Dist: 2.37 mi
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June 26, 2026 at 8:37 PM
aboveayer.bsky.social
#Planefence ICAO: A25B3F
Flt: ASA219 #ALASKAAIRLINES #LAX - #EWR
First seen: 2026-06-16 17:52:41 EDT
Min Alt: 11775 ft MSL
Min Dist: 1.87 mi
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June 16, 2026 at 9:57 PM
aboveayer.bsky.social
#Planefence ICAO: A25B3F
Flt: ASA536 #ALASKAAIRLINES #SEA - #BOS
First seen: 2026-06-11 06:59:08 EDT
Min Alt: 10950 ft MSL
Min Dist: 1.87 mi
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June 11, 2026 at 11:02 AM
aboveayer.bsky.social
#Planefence ICAO: A25B3F
Flt: ASA460 #ALASKAAIRLINES #SEA - #BOS
First seen: 2026-04-08 23:12:37 EDT
Min Alt: 10225 ft MSL
Min Dist: 1.87 mi
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April 9, 2026 at 3:16 AM
aboveayer.bsky.social
#Planefence ICAO: A25B3F
Flt: ASA460 #ALASKAAIRLINES #SEA - #BOS
First seen: 2026-03-07 23:18:09 EST
Min Alt: 10625 ft MSL
Min Dist: 0.62 mi
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March 8, 2026 at 4:22 AM