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

🇺🇸 N298AK - Boeing 737NG 900ER/W - Alaska Airlines ASA458/AS458, Washington Dulles (IAD) to San Francisco (SFO) - 4.4 mi away @ 36075 ft, heading W at 543 mph. Spotted 5x before! [08:59:13 AM CDT] #A3133C #N298AK #B739 #ALASKA #ASA458 #AS458 #ADSB #ADSBbot

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

🇺🇸 N969AK - Boeing 737MAX 9 - Alaska Airlines ASA458/AS458, Washington Dulles (IAD) to San Francisco (SFO) - 4.7 mi away @ 36075 ft, heading W at 537 mph. Spotted 3x before! [08:43:25 AM CDT] #AD7D9F #N969AK #B39M #ALASKA #ASA458 #AS458 #ADSB #ADSBbot