#AS504
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abovestlouis.com
🇺🇸 N537AS - Boeing 737NG 890/W - Alaska Airlines ASA504/AS504, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.3 mi away @ 13300 ft, heading NW at 406 mph. Spotted 2x before! [07:20:47 AM CDT] #A6CA7F #N537AS #B738 #ALASKA #ASA504 #AS504 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
June 1, 2025 at 12:20 PM
abovestlouis.com
🇺🇸 N913AK - Boeing 737MAX 9 - Alaska Airlines ASA504/AS504, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.2 mi away @ 12275 ft, heading NW at 395 mph. Spotted 7x before! [07:16:13 AM CDT] #ACA1DA #N913AK #B39M #ALASKA #ASA504 #AS504 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
May 26, 2025 at 12:16 PM
abovestlouis.com
🇺🇸 N729AL - BOEING 737-9 - ALASKA AIRLINES INC ASA504/AS504, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.3 mi away @ 11925 ft, heading NW at 357 mph. Spotted for first time! [07:23:04 AM CDT] #A9C506 #N729AL #B39M #ASA504 #AS504 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
May 20, 2025 at 12:23 PM
abovestlouis.com
🇺🇸 N459AS - Boeing 737NG 990ER/W - Alaska Airlines ASA504/AS504, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.5 mi away @ 12250 ft, heading NW at 407 mph. Spotted 8x before! [08:19:51 AM CDT] #A5939C #N459AS #B739 #ALASKA #ASA504 #AS504 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
May 15, 2025 at 1:20 PM
abovestlouis.com
🇺🇸 N280AK - Boeing 737NG 900ER/W - Alaska Airlines ASA504/AS504, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.3 mi away @ 10900 ft, heading WNW at 370 mph. Spotted 4x before! [07:20:26 AM CDT] #A2CE05 #N280AK #B739 #ALASKA #ASA504 #AS504 #Landing #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
March 18, 2025 at 12:20 PM
abovestlouis.com
🇺🇸 N277AK - Boeing 737NG 900ER/W - Alaska Airlines ASA504/AS504, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.3 mi away @ 13450 ft, heading NW at 426 mph. Spotted 6x before! [08:29:05 AM CST] #A2C087 #N277AK #B739 #ALASKA #ASA504 #AS504 #Landing #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
March 3, 2025 at 2:29 PM