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

🇺🇸 N588AS - Boeing 737NG 890/W - Alaska Airlines ASA281/AS281, Nashville (BNA) to Seattle-Tacoma (SEA) - 4.4 mi away @ 37800 ft, heading NW at 478 mph. Spotted 6x before! [10:00:19 AM CDT] #A793B1 #N588AS #B738 #ALASKA #ASA281 #AS281 #ADSB #ADSBbot

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

🇺🇸 N588AS - Boeing 737NG 890/W - Alaska Airlines ASA7/AS7, Ronald Reagan Washington Ntl (DCA) to San Francisco (SFO) - 4.2 mi away @ 36150 ft, heading W at 520 mph. Spotted 5x before! [07:38:47 PM CDT] #A793B1 #N588AS #B738 #ALASKA #ASA7 #AS7 #ADSB #ADSBbot

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

🇺🇸 N588AS - Boeing 737NG 890/W - Alaska Airlines ASA389/AS389, General Edward Lawrence Logan (BOS) to San Diego (SAN) - 6.7 mi away @ 34300 ft, heading WSW at 494 mph. Spotted 4x before! [05:40:59 PM CST] #A793B1 #N588AS #B738 #ALASKA #ASA389 #AS389 #ADSB #ADSBbot