Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N8519R - Boeing 737NG 800/W - Southwest Airlines SWA978/WN978, Baltimore/Washington Thurgood Marshall (BWI) to Sacramento (SMF) - 4.4 mi away @ 36150 ft, heading WNW at 541 mph. Spotted 81x before! [06:24:50 PM CDT] #ABAEB2 #N8519R #B738 #SOUTHWEST #SWA978 #WN978 #ADSB #ADSBbot