Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N517AS - Boeing 737NG 890/W - Alaska Airlines ASA15/AS15, Ronald Reagan Washington Ntl (DCA) to San Diego (SAN) - 4.3 mi away @ 36225 ft, heading W at 410 mph. Spotted 9x before. [10:16:54 AM CST] #A67B81 #N517AS #B738 #ALASKA #ASA15 #AS15 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N517AS - Boeing 737NG 890/W - Alaska Airlines ASA15/AS15, Ronald Reagan Washington Ntl (DCA) to San Diego (SAN) - 4.3 mi away @ 38225 ft, heading W at 506 mph. Spotted 8x before! [10:36:34 AM CDT] #A67B81 #N517AS #B738 #ALASKA #ASA15 #AS15 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N517AS - Boeing 737NG 890/W - Alaska Airlines ASA15/AS15, Ronald Reagan Washington Ntl (DCA) to San Diego (SAN) - 4.7 mi away @ 37625 ft, heading W at 512 mph. Spotted 7x before! [09:56:21 AM CDT] #A67B81 #N517AS #B738 #ALASKA #ASA15 #AS15 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N517AS - Boeing 737NG 890/W - Alaska Airlines ASA14/AS14, San Diego (SAN) to Ronald Reagan Washington Ntl (DCA) - 4.8 mi away @ 38700 ft, heading ENE at 601 mph. Spotted 6x before! [06:21:50 PM CDT] #A67B81 #N517AS #B738 #ALASKA #ASA14 #AS14 #ADSB #ADSBbot