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

🇺🇸 N8659D - Boeing 737NG 8H4/W - Southwest Airlines SWA787/WN787, Baltimore/Washington Thurgood Marshall (BWI) to San Francisco (SFO) - 6.4 mi away @ 37700 ft, heading W at 523 mph. Spotted 107x before! [12:29:07 PM CDT] #ABE501 #N8659D #B738 #SOUTHWEST #SWA787 #WN787 #ADSB #ADSBbot